Home / 15,734.19-21,712.76-8,564.24

Finding the Fourth Proportional to 15,734.19, 21,712.76 and 8,564.24

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Solution

The fourth proportional to 15,734.19, 21,712.76 and 8,564.24 is: 11,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,734.19 : 21,712.76 = 8,564.24 : x
  2. Step 2: Convert to fraction form
    15,734.19/21,712.76 = 8,564.24/x
  3. Step 3: Cross multiply
    15,734.19x = 21,712.76 × 8,564.24
  4. Step 4: Simplify right side
    15,734.19x = 185,953,287.70
  5. Step 5: Solve for x
    x = 185,953,287.70/15,734.19
  6. Step 6: Final answer
    x = 11,818.42

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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.