Home / 11,387.68-15,718.50-6,673.48

Finding the Fourth Proportional to 11,387.68, 15,718.50 and 6,673.48

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Solution

The fourth proportional to 11,387.68, 15,718.50 and 6,673.48 is: 9,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.68 : 15,718.50 = 6,673.48 : x
  2. Step 2: Convert to fraction form
    11,387.68/15,718.50 = 6,673.48/x
  3. Step 3: Cross multiply
    11,387.68x = 15,718.50 × 6,673.48
  4. Step 4: Simplify right side
    11,387.68x = 104,897,095.38
  5. Step 5: Solve for x
    x = 104,897,095.38/11,387.68
  6. Step 6: Final answer
    x = 9,211.45

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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.