Home / 13,441.23-18,548.76-7,472.76

Finding the Fourth Proportional to 13,441.23, 18,548.76 and 7,472.76

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Solution

The fourth proportional to 13,441.23, 18,548.76 and 7,472.76 is: 10,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.23 : 18,548.76 = 7,472.76 : x
  2. Step 2: Convert to fraction form
    13,441.23/18,548.76 = 7,472.76/x
  3. Step 3: Cross multiply
    13,441.23x = 18,548.76 × 7,472.76
  4. Step 4: Simplify right side
    13,441.23x = 138,610,431.78
  5. Step 5: Solve for x
    x = 138,610,431.78/13,441.23
  6. Step 6: Final answer
    x = 10,312.33

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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.