Home / 15,995.23-22,058.40-12,646.03

Finding the Fourth Proportional to 15,995.23, 22,058.40 and 12,646.03

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Solution

The fourth proportional to 15,995.23, 22,058.40 and 12,646.03 is: 17,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.23 : 22,058.40 = 12,646.03 : x
  2. Step 2: Convert to fraction form
    15,995.23/22,058.40 = 12,646.03/x
  3. Step 3: Cross multiply
    15,995.23x = 22,058.40 × 12,646.03
  4. Step 4: Simplify right side
    15,995.23x = 278,951,188.15
  5. Step 5: Solve for x
    x = 278,951,188.15/15,995.23
  6. Step 6: Final answer
    x = 17,439.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.