Home / 15,688.47-23,511.92-7,353.57

Finding the Fourth Proportional to 15,688.47, 23,511.92 and 7,353.57

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Solution

The fourth proportional to 15,688.47, 23,511.92 and 7,353.57 is: 11,020.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688.47 : 23,511.92 = 7,353.57 : x
  2. Step 2: Convert to fraction form
    15,688.47/23,511.92 = 7,353.57/x
  3. Step 3: Cross multiply
    15,688.47x = 23,511.92 × 7,353.57
  4. Step 4: Simplify right side
    15,688.47x = 172,896,549.55
  5. Step 5: Solve for x
    x = 172,896,549.55/15,688.47
  6. Step 6: Final answer
    x = 11,020.61

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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.