Home / 10,187.20-15,285.03-9,369.82

Finding the Fourth Proportional to 10,187.20, 15,285.03 and 9,369.82

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Solution

The fourth proportional to 10,187.20, 15,285.03 and 9,369.82 is: 14,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.20 : 15,285.03 = 9,369.82 : x
  2. Step 2: Convert to fraction form
    10,187.20/15,285.03 = 9,369.82/x
  3. Step 3: Cross multiply
    10,187.20x = 15,285.03 × 9,369.82
  4. Step 4: Simplify right side
    10,187.20x = 143,217,979.79
  5. Step 5: Solve for x
    x = 143,217,979.79/10,187.20
  6. Step 6: Final answer
    x = 14,058.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.