Home / 19,557.11-29,337.49-7,080.28

Finding the Fourth Proportional to 19,557.11, 29,337.49 and 7,080.28

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Solution

The fourth proportional to 19,557.11, 29,337.49 and 7,080.28 is: 10,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.11 : 29,337.49 = 7,080.28 : x
  2. Step 2: Convert to fraction form
    19,557.11/29,337.49 = 7,080.28/x
  3. Step 3: Cross multiply
    19,557.11x = 29,337.49 × 7,080.28
  4. Step 4: Simplify right side
    19,557.11x = 207,717,579.20
  5. Step 5: Solve for x
    x = 207,717,579.20/19,557.11
  6. Step 6: Final answer
    x = 10,621.08

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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.