Home / 18,937.54-26,132.62-10,439.22

Finding the Fourth Proportional to 18,937.54, 26,132.62 and 10,439.22

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Solution

The fourth proportional to 18,937.54, 26,132.62 and 10,439.22 is: 14,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.54 : 26,132.62 = 10,439.22 : x
  2. Step 2: Convert to fraction form
    18,937.54/26,132.62 = 10,439.22/x
  3. Step 3: Cross multiply
    18,937.54x = 26,132.62 × 10,439.22
  4. Step 4: Simplify right side
    18,937.54x = 272,804,169.36
  5. Step 5: Solve for x
    x = 272,804,169.36/18,937.54
  6. Step 6: Final answer
    x = 14,405.47

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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.