Home / 19,912.28-29,886.87-10,058.47

Finding the Fourth Proportional to 19,912.28, 29,886.87 and 10,058.47

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Solution

The fourth proportional to 19,912.28, 29,886.87 and 10,058.47 is: 15,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.28 : 29,886.87 = 10,058.47 : x
  2. Step 2: Convert to fraction form
    19,912.28/29,886.87 = 10,058.47/x
  3. Step 3: Cross multiply
    19,912.28x = 29,886.87 × 10,058.47
  4. Step 4: Simplify right side
    19,912.28x = 300,616,185.29
  5. Step 5: Solve for x
    x = 300,616,185.29/19,912.28
  6. Step 6: Final answer
    x = 15,097.02

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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.