Home / 19,627.57-29,444.07-7,145.26

Finding the Fourth Proportional to 19,627.57, 29,444.07 and 7,145.26

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Solution

The fourth proportional to 19,627.57, 29,444.07 and 7,145.26 is: 10,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.57 : 29,444.07 = 7,145.26 : x
  2. Step 2: Convert to fraction form
    19,627.57/29,444.07 = 7,145.26/x
  3. Step 3: Cross multiply
    19,627.57x = 29,444.07 × 7,145.26
  4. Step 4: Simplify right side
    19,627.57x = 210,385,535.61
  5. Step 5: Solve for x
    x = 210,385,535.61/19,627.57
  6. Step 6: Final answer
    x = 10,718.88

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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.