Home / 15,369.86-23,060.28-6,487.40

Finding the Fourth Proportional to 15,369.86, 23,060.28 and 6,487.40

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Solution

The fourth proportional to 15,369.86, 23,060.28 and 6,487.40 is: 9,733.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.86 : 23,060.28 = 6,487.40 : x
  2. Step 2: Convert to fraction form
    15,369.86/23,060.28 = 6,487.40/x
  3. Step 3: Cross multiply
    15,369.86x = 23,060.28 × 6,487.40
  4. Step 4: Simplify right side
    15,369.86x = 149,601,145.17
  5. Step 5: Solve for x
    x = 149,601,145.17/15,369.86
  6. Step 6: Final answer
    x = 9,733.41

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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.