Home / 16,555.40-22,845.95-9,385.97

Finding the Fourth Proportional to 16,555.40, 22,845.95 and 9,385.97

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Solution

The fourth proportional to 16,555.40, 22,845.95 and 9,385.97 is: 12,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,555.40 : 22,845.95 = 9,385.97 : x
  2. Step 2: Convert to fraction form
    16,555.40/22,845.95 = 9,385.97/x
  3. Step 3: Cross multiply
    16,555.40x = 22,845.95 × 9,385.97
  4. Step 4: Simplify right side
    16,555.40x = 214,431,411.51
  5. Step 5: Solve for x
    x = 214,431,411.51/16,555.40
  6. Step 6: Final answer
    x = 12,952.36

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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.