Home / 15,253.33-21,038.75-13,998.44

Finding the Fourth Proportional to 15,253.33, 21,038.75 and 13,998.44

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Solution

The fourth proportional to 15,253.33, 21,038.75 and 13,998.44 is: 19,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253.33 : 21,038.75 = 13,998.44 : x
  2. Step 2: Convert to fraction form
    15,253.33/21,038.75 = 13,998.44/x
  3. Step 3: Cross multiply
    15,253.33x = 21,038.75 × 13,998.44
  4. Step 4: Simplify right side
    15,253.33x = 294,509,679.55
  5. Step 5: Solve for x
    x = 294,509,679.55/15,253.33
  6. Step 6: Final answer
    x = 19,307.89

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.