Home / 18,387.48-25,366.38-10,834.20

Finding the Fourth Proportional to 18,387.48, 25,366.38 and 10,834.20

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Solution

The fourth proportional to 18,387.48, 25,366.38 and 10,834.20 is: 14,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387.48 : 25,366.38 = 10,834.20 : x
  2. Step 2: Convert to fraction form
    18,387.48/25,366.38 = 10,834.20/x
  3. Step 3: Cross multiply
    18,387.48x = 25,366.38 × 10,834.20
  4. Step 4: Simplify right side
    18,387.48x = 274,824,434.20
  5. Step 5: Solve for x
    x = 274,824,434.20/18,387.48
  6. Step 6: Final answer
    x = 14,946.28

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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.