Home / 19,158.31-28,712.52-10,724.46

Finding the Fourth Proportional to 19,158.31, 28,712.52 and 10,724.46

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Solution

The fourth proportional to 19,158.31, 28,712.52 and 10,724.46 is: 16,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.31 : 28,712.52 = 10,724.46 : x
  2. Step 2: Convert to fraction form
    19,158.31/28,712.52 = 10,724.46/x
  3. Step 3: Cross multiply
    19,158.31x = 28,712.52 × 10,724.46
  4. Step 4: Simplify right side
    19,158.31x = 307,926,272.24
  5. Step 5: Solve for x
    x = 307,926,272.24/19,158.31
  6. Step 6: Final answer
    x = 16,072.73

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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.