Home / 14,502.30-20,012.04-8,215.92

Finding the Fourth Proportional to 14,502.30, 20,012.04 and 8,215.92

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Solution

The fourth proportional to 14,502.30, 20,012.04 and 8,215.92 is: 11,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502.30 : 20,012.04 = 8,215.92 : x
  2. Step 2: Convert to fraction form
    14,502.30/20,012.04 = 8,215.92/x
  3. Step 3: Cross multiply
    14,502.30x = 20,012.04 × 8,215.92
  4. Step 4: Simplify right side
    14,502.30x = 164,417,319.68
  5. Step 5: Solve for x
    x = 164,417,319.68/14,502.30
  6. Step 6: Final answer
    x = 11,337.33

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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.