Home / 12,687.32-19,035.48-5,666.69

Finding the Fourth Proportional to 12,687.32, 19,035.48 and 5,666.69

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Solution

The fourth proportional to 12,687.32, 19,035.48 and 5,666.69 is: 8,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687.32 : 19,035.48 = 5,666.69 : x
  2. Step 2: Convert to fraction form
    12,687.32/19,035.48 = 5,666.69/x
  3. Step 3: Cross multiply
    12,687.32x = 19,035.48 × 5,666.69
  4. Step 4: Simplify right side
    12,687.32x = 107,868,068.98
  5. Step 5: Solve for x
    x = 107,868,068.98/12,687.32
  6. Step 6: Final answer
    x = 8,502.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.