Home / 15,381.90-23,073.76-4,288.34

Finding the Fourth Proportional to 15,381.90, 23,073.76 and 4,288.34

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Solution

The fourth proportional to 15,381.90, 23,073.76 and 4,288.34 is: 6,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.90 : 23,073.76 = 4,288.34 : x
  2. Step 2: Convert to fraction form
    15,381.90/23,073.76 = 4,288.34/x
  3. Step 3: Cross multiply
    15,381.90x = 23,073.76 × 4,288.34
  4. Step 4: Simplify right side
    15,381.90x = 98,948,191.00
  5. Step 5: Solve for x
    x = 98,948,191.00/15,381.90
  6. Step 6: Final answer
    x = 6,432.77

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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.