Home / 14,502.18-20,013.01-8,214.55

Finding the Fourth Proportional to 14,502.18, 20,013.01 and 8,214.55

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Solution

The fourth proportional to 14,502.18, 20,013.01 and 8,214.55 is: 11,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502.18 : 20,013.01 = 8,214.55 : x
  2. Step 2: Convert to fraction form
    14,502.18/20,013.01 = 8,214.55/x
  3. Step 3: Cross multiply
    14,502.18x = 20,013.01 × 8,214.55
  4. Step 4: Simplify right side
    14,502.18x = 164,397,871.30
  5. Step 5: Solve for x
    x = 164,397,871.30/14,502.18
  6. Step 6: Final answer
    x = 11,336.08

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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.