Home / 19,146.24-28,707.52-7,445.76

Finding the Fourth Proportional to 19,146.24, 28,707.52 and 7,445.76

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Solution

The fourth proportional to 19,146.24, 28,707.52 and 7,445.76 is: 11,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.24 : 28,707.52 = 7,445.76 : x
  2. Step 2: Convert to fraction form
    19,146.24/28,707.52 = 7,445.76/x
  3. Step 3: Cross multiply
    19,146.24x = 28,707.52 × 7,445.76
  4. Step 4: Simplify right side
    19,146.24x = 213,749,304.12
  5. Step 5: Solve for x
    x = 213,749,304.12/19,146.24
  6. Step 6: Final answer
    x = 11,164.04

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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.