Home / 18,344.61-25,313.97-10,686.69

Finding the Fourth Proportional to 18,344.61, 25,313.97 and 10,686.69

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Solution

The fourth proportional to 18,344.61, 25,313.97 and 10,686.69 is: 14,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.61 : 25,313.97 = 10,686.69 : x
  2. Step 2: Convert to fraction form
    18,344.61/25,313.97 = 10,686.69/x
  3. Step 3: Cross multiply
    18,344.61x = 25,313.97 × 10,686.69
  4. Step 4: Simplify right side
    18,344.61x = 270,522,550.06
  5. Step 5: Solve for x
    x = 270,522,550.06/18,344.61
  6. Step 6: Final answer
    x = 14,746.70

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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.