Home / 15,537.28-21,443.16-9,567.76

Finding the Fourth Proportional to 15,537.28, 21,443.16 and 9,567.76

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Solution

The fourth proportional to 15,537.28, 21,443.16 and 9,567.76 is: 13,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.28 : 21,443.16 = 9,567.76 : x
  2. Step 2: Convert to fraction form
    15,537.28/21,443.16 = 9,567.76/x
  3. Step 3: Cross multiply
    15,537.28x = 21,443.16 × 9,567.76
  4. Step 4: Simplify right side
    15,537.28x = 205,163,008.52
  5. Step 5: Solve for x
    x = 205,163,008.52/15,537.28
  6. Step 6: Final answer
    x = 13,204.56

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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.