Home / 15,108.40-22,663.68-5,246.40

Finding the Fourth Proportional to 15,108.40, 22,663.68 and 5,246.40

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Solution

The fourth proportional to 15,108.40, 22,663.68 and 5,246.40 is: 7,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.40 : 22,663.68 = 5,246.40 : x
  2. Step 2: Convert to fraction form
    15,108.40/22,663.68 = 5,246.40/x
  3. Step 3: Cross multiply
    15,108.40x = 22,663.68 × 5,246.40
  4. Step 4: Simplify right side
    15,108.40x = 118,902,730.75
  5. Step 5: Solve for x
    x = 118,902,730.75/15,108.40
  6. Step 6: Final answer
    x = 7,869.98

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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.