Home / 18,862.98-28,289.85-6,853.17

Finding the Fourth Proportional to 18,862.98, 28,289.85 and 6,853.17

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Solution

The fourth proportional to 18,862.98, 28,289.85 and 6,853.17 is: 10,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.98 : 28,289.85 = 6,853.17 : x
  2. Step 2: Convert to fraction form
    18,862.98/28,289.85 = 6,853.17/x
  3. Step 3: Cross multiply
    18,862.98x = 28,289.85 × 6,853.17
  4. Step 4: Simplify right side
    18,862.98x = 193,875,151.32
  5. Step 5: Solve for x
    x = 193,875,151.32/18,862.98
  6. Step 6: Final answer
    x = 10,278.08

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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.