Home / 15,717.90-23,577.18-12,583.38

Finding the Fourth Proportional to 15,717.90, 23,577.18 and 12,583.38

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Solution

The fourth proportional to 15,717.90, 23,577.18 and 12,583.38 is: 18,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717.90 : 23,577.18 = 12,583.38 : x
  2. Step 2: Convert to fraction form
    15,717.90/23,577.18 = 12,583.38/x
  3. Step 3: Cross multiply
    15,717.90x = 23,577.18 × 12,583.38
  4. Step 4: Simplify right side
    15,717.90x = 296,680,615.27
  5. Step 5: Solve for x
    x = 296,680,615.27/15,717.90
  6. Step 6: Final answer
    x = 18,875.33

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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.