Home / 14,499.21-20,001.65-9,185.61

Finding the Fourth Proportional to 14,499.21, 20,001.65 and 9,185.61

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Solution

The fourth proportional to 14,499.21, 20,001.65 and 9,185.61 is: 12,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.21 : 20,001.65 = 9,185.61 : x
  2. Step 2: Convert to fraction form
    14,499.21/20,001.65 = 9,185.61/x
  3. Step 3: Cross multiply
    14,499.21x = 20,001.65 × 9,185.61
  4. Step 4: Simplify right side
    14,499.21x = 183,727,356.26
  5. Step 5: Solve for x
    x = 183,727,356.26/14,499.21
  6. Step 6: Final answer
    x = 12,671.54

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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.