Home / 15,338.05-21,168.75-8,624.23

Finding the Fourth Proportional to 15,338.05, 21,168.75 and 8,624.23

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Solution

The fourth proportional to 15,338.05, 21,168.75 and 8,624.23 is: 11,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.05 : 21,168.75 = 8,624.23 : x
  2. Step 2: Convert to fraction form
    15,338.05/21,168.75 = 8,624.23/x
  3. Step 3: Cross multiply
    15,338.05x = 21,168.75 × 8,624.23
  4. Step 4: Simplify right side
    15,338.05x = 182,564,168.81
  5. Step 5: Solve for x
    x = 182,564,168.81/15,338.05
  6. Step 6: Final answer
    x = 11,902.70

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Half scale
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Double scale
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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.