Home / 18,344.57-25,315.61-10,387.53

Finding the Fourth Proportional to 18,344.57, 25,315.61 and 10,387.53

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Solution

The fourth proportional to 18,344.57, 25,315.61 and 10,387.53 is: 14,334.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.57 : 25,315.61 = 10,387.53 : x
  2. Step 2: Convert to fraction form
    18,344.57/25,315.61 = 10,387.53/x
  3. Step 3: Cross multiply
    18,344.57x = 25,315.61 × 10,387.53
  4. Step 4: Simplify right side
    18,344.57x = 262,966,606.41
  5. Step 5: Solve for x
    x = 262,966,606.41/18,344.57
  6. Step 6: Final answer
    x = 14,334.85

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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.