Home / 14,307.39-19,743.62-8,339.31

Finding the Fourth Proportional to 14,307.39, 19,743.62 and 8,339.31

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Solution

The fourth proportional to 14,307.39, 19,743.62 and 8,339.31 is: 11,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.39 : 19,743.62 = 8,339.31 : x
  2. Step 2: Convert to fraction form
    14,307.39/19,743.62 = 8,339.31/x
  3. Step 3: Cross multiply
    14,307.39x = 19,743.62 × 8,339.31
  4. Step 4: Simplify right side
    14,307.39x = 164,648,126.01
  5. Step 5: Solve for x
    x = 164,648,126.01/14,307.39
  6. Step 6: Final answer
    x = 11,507.91

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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.