Home / 16,438.77-22,685.40-9,365.13

Finding the Fourth Proportional to 16,438.77, 22,685.40 and 9,365.13

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Solution

The fourth proportional to 16,438.77, 22,685.40 and 9,365.13 is: 12,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438.77 : 22,685.40 = 9,365.13 : x
  2. Step 2: Convert to fraction form
    16,438.77/22,685.40 = 9,365.13/x
  3. Step 3: Cross multiply
    16,438.77x = 22,685.40 × 9,365.13
  4. Step 4: Simplify right side
    16,438.77x = 212,451,720.10
  5. Step 5: Solve for x
    x = 212,451,720.10/16,438.77
  6. Step 6: Final answer
    x = 12,923.82

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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.