Home / 19,335.18-28,999.89-6,186.18

Finding the Fourth Proportional to 19,335.18, 28,999.89 and 6,186.18

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Solution

The fourth proportional to 19,335.18, 28,999.89 and 6,186.18 is: 9,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.18 : 28,999.89 = 6,186.18 : x
  2. Step 2: Convert to fraction form
    19,335.18/28,999.89 = 6,186.18/x
  3. Step 3: Cross multiply
    19,335.18x = 28,999.89 × 6,186.18
  4. Step 4: Simplify right side
    19,335.18x = 179,398,539.52
  5. Step 5: Solve for x
    x = 179,398,539.52/19,335.18
  6. Step 6: Final answer
    x = 9,278.35

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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.