Home / 14,498.91-20,001.21-9,185.31

Finding the Fourth Proportional to 14,498.91, 20,001.21 and 9,185.31

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Solution

The fourth proportional to 14,498.91, 20,001.21 and 9,185.31 is: 12,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.91 : 20,001.21 = 9,185.31 : x
  2. Step 2: Convert to fraction form
    14,498.91/20,001.21 = 9,185.31/x
  3. Step 3: Cross multiply
    14,498.91x = 20,001.21 × 9,185.31
  4. Step 4: Simplify right side
    14,498.91x = 183,717,314.23
  5. Step 5: Solve for x
    x = 183,717,314.23/14,498.91
  6. Step 6: Final answer
    x = 12,671.11

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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.