Home / 15,096.50-20,833.20-8,809.28

Finding the Fourth Proportional to 15,096.50, 20,833.20 and 8,809.28

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Solution

The fourth proportional to 15,096.50, 20,833.20 and 8,809.28 is: 12,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,096.50 : 20,833.20 = 8,809.28 : x
  2. Step 2: Convert to fraction form
    15,096.50/20,833.20 = 8,809.28/x
  3. Step 3: Cross multiply
    15,096.50x = 20,833.20 × 8,809.28
  4. Step 4: Simplify right side
    15,096.50x = 183,525,492.10
  5. Step 5: Solve for x
    x = 183,525,492.10/15,096.50
  6. Step 6: Final answer
    x = 12,156.82

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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.