Home / 16,159.92-22,298.40-8,989.28

Finding the Fourth Proportional to 16,159.92, 22,298.40 and 8,989.28

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Solution

The fourth proportional to 16,159.92, 22,298.40 and 8,989.28 is: 12,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,159.92 : 22,298.40 = 8,989.28 : x
  2. Step 2: Convert to fraction form
    16,159.92/22,298.40 = 8,989.28/x
  3. Step 3: Cross multiply
    16,159.92x = 22,298.40 × 8,989.28
  4. Step 4: Simplify right side
    16,159.92x = 200,446,561.15
  5. Step 5: Solve for x
    x = 200,446,561.15/16,159.92
  6. Step 6: Final answer
    x = 12,403.93

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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.