Home / 18,937.26-26,133.59-10,439.70

Finding the Fourth Proportional to 18,937.26, 26,133.59 and 10,439.70

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Solution

The fourth proportional to 18,937.26, 26,133.59 and 10,439.70 is: 14,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.26 : 26,133.59 = 10,439.70 : x
  2. Step 2: Convert to fraction form
    18,937.26/26,133.59 = 10,439.70/x
  3. Step 3: Cross multiply
    18,937.26x = 26,133.59 × 10,439.70
  4. Step 4: Simplify right side
    18,937.26x = 272,826,839.52
  5. Step 5: Solve for x
    x = 272,826,839.52/18,937.26
  6. Step 6: Final answer
    x = 14,406.88

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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.