Home / 15,228.71-22,819.46-10,557.80

Finding the Fourth Proportional to 15,228.71, 22,819.46 and 10,557.80

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Solution

The fourth proportional to 15,228.71, 22,819.46 and 10,557.80 is: 15,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,228.71 : 22,819.46 = 10,557.80 : x
  2. Step 2: Convert to fraction form
    15,228.71/22,819.46 = 10,557.80/x
  3. Step 3: Cross multiply
    15,228.71x = 22,819.46 × 10,557.80
  4. Step 4: Simplify right side
    15,228.71x = 240,923,211.34
  5. Step 5: Solve for x
    x = 240,923,211.34/15,228.71
  6. Step 6: Final answer
    x = 15,820.33

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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.