Home / 13,593.12-18,758.39-7,624.66

Finding the Fourth Proportional to 13,593.12, 18,758.39 and 7,624.66

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Solution

The fourth proportional to 13,593.12, 18,758.39 and 7,624.66 is: 10,521.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.12 : 18,758.39 = 7,624.66 : x
  2. Step 2: Convert to fraction form
    13,593.12/18,758.39 = 7,624.66/x
  3. Step 3: Cross multiply
    13,593.12x = 18,758.39 × 7,624.66
  4. Step 4: Simplify right side
    13,593.12x = 143,026,243.29
  5. Step 5: Solve for x
    x = 143,026,243.29/13,593.12
  6. Step 6: Final answer
    x = 10,521.96

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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.