Home / 14,895.28-20,565.12-9,237.16

Finding the Fourth Proportional to 14,895.28, 20,565.12 and 9,237.16

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Solution

The fourth proportional to 14,895.28, 20,565.12 and 9,237.16 is: 12,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.28 : 20,565.12 = 9,237.16 : x
  2. Step 2: Convert to fraction form
    14,895.28/20,565.12 = 9,237.16/x
  3. Step 3: Cross multiply
    14,895.28x = 20,565.12 × 9,237.16
  4. Step 4: Simplify right side
    14,895.28x = 189,963,303.86
  5. Step 5: Solve for x
    x = 189,963,303.86/14,895.28
  6. Step 6: Final answer
    x = 12,753.25

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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.