Home / 18,423.05-25,416.59-11,337.17

Finding the Fourth Proportional to 18,423.05, 25,416.59 and 11,337.17

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Solution

The fourth proportional to 18,423.05, 25,416.59 and 11,337.17 is: 15,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.05 : 25,416.59 = 11,337.17 : x
  2. Step 2: Convert to fraction form
    18,423.05/25,416.59 = 11,337.17/x
  3. Step 3: Cross multiply
    18,423.05x = 25,416.59 × 11,337.17
  4. Step 4: Simplify right side
    18,423.05x = 288,152,017.88
  5. Step 5: Solve for x
    x = 288,152,017.88/18,423.05
  6. Step 6: Final answer
    x = 15,640.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.