Home / 14,758.90-20,371.56-9,655.16

Finding the Fourth Proportional to 14,758.90, 20,371.56 and 9,655.16

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Solution

The fourth proportional to 14,758.90, 20,371.56 and 9,655.16 is: 13,326.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.90 : 20,371.56 = 9,655.16 : x
  2. Step 2: Convert to fraction form
    14,758.90/20,371.56 = 9,655.16/x
  3. Step 3: Cross multiply
    14,758.90x = 20,371.56 × 9,655.16
  4. Step 4: Simplify right side
    14,758.90x = 196,690,671.25
  5. Step 5: Solve for x
    x = 196,690,671.25/14,758.90
  6. Step 6: Final answer
    x = 13,326.92

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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.