Home / 14,637.53-20,199.90-8,177.18

Finding the Fourth Proportional to 14,637.53, 20,199.90 and 8,177.18

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Solution

The fourth proportional to 14,637.53, 20,199.90 and 8,177.18 is: 11,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637.53 : 20,199.90 = 8,177.18 : x
  2. Step 2: Convert to fraction form
    14,637.53/20,199.90 = 8,177.18/x
  3. Step 3: Cross multiply
    14,637.53x = 20,199.90 × 8,177.18
  4. Step 4: Simplify right side
    14,637.53x = 165,178,117.28
  5. Step 5: Solve for x
    x = 165,178,117.28/14,637.53
  6. Step 6: Final answer
    x = 11,284.56

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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.