Home / 20,047.03-30,085.13-8,966.23

Finding the Fourth Proportional to 20,047.03, 30,085.13 and 8,966.23

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Solution

The fourth proportional to 20,047.03, 30,085.13 and 8,966.23 is: 13,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.03 : 30,085.13 = 8,966.23 : x
  2. Step 2: Convert to fraction form
    20,047.03/30,085.13 = 8,966.23/x
  3. Step 3: Cross multiply
    20,047.03x = 30,085.13 × 8,966.23
  4. Step 4: Simplify right side
    20,047.03x = 269,750,195.16
  5. Step 5: Solve for x
    x = 269,750,195.16/20,047.03
  6. Step 6: Final answer
    x = 13,455.87

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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.