Home / 15,812.20-23,706.15-8,886.70

Finding the Fourth Proportional to 15,812.20, 23,706.15 and 8,886.70

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Solution

The fourth proportional to 15,812.20, 23,706.15 and 8,886.70 is: 13,323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812.20 : 23,706.15 = 8,886.70 : x
  2. Step 2: Convert to fraction form
    15,812.20/23,706.15 = 8,886.70/x
  3. Step 3: Cross multiply
    15,812.20x = 23,706.15 × 8,886.70
  4. Step 4: Simplify right side
    15,812.20x = 210,669,443.21
  5. Step 5: Solve for x
    x = 210,669,443.21/15,812.20
  6. Step 6: Final answer
    x = 13,323.22

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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.