Home / 13,456.62-18,508.32-10,798.20

Finding the Fourth Proportional to 13,456.62, 18,508.32 and 10,798.20

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Solution

The fourth proportional to 13,456.62, 18,508.32 and 10,798.20 is: 14,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.62 : 18,508.32 = 10,798.20 : x
  2. Step 2: Convert to fraction form
    13,456.62/18,508.32 = 10,798.20/x
  3. Step 3: Cross multiply
    13,456.62x = 18,508.32 × 10,798.20
  4. Step 4: Simplify right side
    13,456.62x = 199,856,541.02
  5. Step 5: Solve for x
    x = 199,856,541.02/13,456.62
  6. Step 6: Final answer
    x = 14,851.91

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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.