Home / 13,301.57-18,355.91-7,251.87

Finding the Fourth Proportional to 13,301.57, 18,355.91 and 7,251.87

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Solution

The fourth proportional to 13,301.57, 18,355.91 and 7,251.87 is: 10,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.57 : 18,355.91 = 7,251.87 : x
  2. Step 2: Convert to fraction form
    13,301.57/18,355.91 = 7,251.87/x
  3. Step 3: Cross multiply
    13,301.57x = 18,355.91 × 7,251.87
  4. Step 4: Simplify right side
    13,301.57x = 133,114,674.40
  5. Step 5: Solve for x
    x = 133,114,674.40/13,301.57
  6. Step 6: Final answer
    x = 10,007.44

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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.