Home / 16,555.05-22,845.47-9,001.40

Finding the Fourth Proportional to 16,555.05, 22,845.47 and 9,001.40

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Solution

The fourth proportional to 16,555.05, 22,845.47 and 9,001.40 is: 12,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,555.05 : 22,845.47 = 9,001.40 : x
  2. Step 2: Convert to fraction form
    16,555.05/22,845.47 = 9,001.40/x
  3. Step 3: Cross multiply
    16,555.05x = 22,845.47 × 9,001.40
  4. Step 4: Simplify right side
    16,555.05x = 205,641,054.42
  5. Step 5: Solve for x
    x = 205,641,054.42/16,555.05
  6. Step 6: Final answer
    x = 12,421.65

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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.