Home / 16,259.53-22,439.01-9,885.07

Finding the Fourth Proportional to 16,259.53, 22,439.01 and 9,885.07

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Solution

The fourth proportional to 16,259.53, 22,439.01 and 9,885.07 is: 13,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,259.53 : 22,439.01 = 9,885.07 : x
  2. Step 2: Convert to fraction form
    16,259.53/22,439.01 = 9,885.07/x
  3. Step 3: Cross multiply
    16,259.53x = 22,439.01 × 9,885.07
  4. Step 4: Simplify right side
    16,259.53x = 221,811,135.16
  5. Step 5: Solve for x
    x = 221,811,135.16/16,259.53
  6. Step 6: Final answer
    x = 13,641.92

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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.