Home / 15,821.82-23,722.98-6,454.20

Finding the Fourth Proportional to 15,821.82, 23,722.98 and 6,454.20

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Solution

The fourth proportional to 15,821.82, 23,722.98 and 6,454.20 is: 9,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.82 : 23,722.98 = 6,454.20 : x
  2. Step 2: Convert to fraction form
    15,821.82/23,722.98 = 6,454.20/x
  3. Step 3: Cross multiply
    15,821.82x = 23,722.98 × 6,454.20
  4. Step 4: Simplify right side
    15,821.82x = 153,112,857.52
  5. Step 5: Solve for x
    x = 153,112,857.52/15,821.82
  6. Step 6: Final answer
    x = 9,677.32

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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.