Home / 13,077.40-19,614.96-3,717.04

Finding the Fourth Proportional to 13,077.40, 19,614.96 and 3,717.04

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Solution

The fourth proportional to 13,077.40, 19,614.96 and 3,717.04 is: 5,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.40 : 19,614.96 = 3,717.04 : x
  2. Step 2: Convert to fraction form
    13,077.40/19,614.96 = 3,717.04/x
  3. Step 3: Cross multiply
    13,077.40x = 19,614.96 × 3,717.04
  4. Step 4: Simplify right side
    13,077.40x = 72,909,590.92
  5. Step 5: Solve for x
    x = 72,909,590.92/13,077.40
  6. Step 6: Final answer
    x = 5,575.24

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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.