Home / 14,498.10-20,009.28-8,127.12

Finding the Fourth Proportional to 14,498.10, 20,009.28 and 8,127.12

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Solution

The fourth proportional to 14,498.10, 20,009.28 and 8,127.12 is: 11,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.10 : 20,009.28 = 8,127.12 : x
  2. Step 2: Convert to fraction form
    14,498.10/20,009.28 = 8,127.12/x
  3. Step 3: Cross multiply
    14,498.10x = 20,009.28 × 8,127.12
  4. Step 4: Simplify right side
    14,498.10x = 162,617,819.67
  5. Step 5: Solve for x
    x = 162,617,819.67/14,498.10
  6. Step 6: Final answer
    x = 11,216.49

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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.