Home / 13,545.24-18,694.20-7,577.16

Finding the Fourth Proportional to 13,545.24, 18,694.20 and 7,577.16

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Solution

The fourth proportional to 13,545.24, 18,694.20 and 7,577.16 is: 10,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.24 : 18,694.20 = 7,577.16 : x
  2. Step 2: Convert to fraction form
    13,545.24/18,694.20 = 7,577.16/x
  3. Step 3: Cross multiply
    13,545.24x = 18,694.20 × 7,577.16
  4. Step 4: Simplify right side
    13,545.24x = 141,648,944.47
  5. Step 5: Solve for x
    x = 141,648,944.47/13,545.24
  6. Step 6: Final answer
    x = 10,457.47

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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.