Home / 18,630.39-25,710.05-10,132.62

Finding the Fourth Proportional to 18,630.39, 25,710.05 and 10,132.62

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Solution

The fourth proportional to 18,630.39, 25,710.05 and 10,132.62 is: 13,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.39 : 25,710.05 = 10,132.62 : x
  2. Step 2: Convert to fraction form
    18,630.39/25,710.05 = 10,132.62/x
  3. Step 3: Cross multiply
    18,630.39x = 25,710.05 × 10,132.62
  4. Step 4: Simplify right side
    18,630.39x = 260,510,166.83
  5. Step 5: Solve for x
    x = 260,510,166.83/18,630.39
  6. Step 6: Final answer
    x = 13,983.08

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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.