Home / 14,195.34-21,307.55-11,722.28

Finding the Fourth Proportional to 14,195.34, 21,307.55 and 11,722.28

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Solution

The fourth proportional to 14,195.34, 21,307.55 and 11,722.28 is: 17,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.34 : 21,307.55 = 11,722.28 : x
  2. Step 2: Convert to fraction form
    14,195.34/21,307.55 = 11,722.28/x
  3. Step 3: Cross multiply
    14,195.34x = 21,307.55 × 11,722.28
  4. Step 4: Simplify right side
    14,195.34x = 249,772,902.06
  5. Step 5: Solve for x
    x = 249,772,902.06/14,195.34
  6. Step 6: Final answer
    x = 17,595.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.