Home / 15,021.80-22,532.70-7,231.40

Finding the Fourth Proportional to 15,021.80, 22,532.70 and 7,231.40

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Solution

The fourth proportional to 15,021.80, 22,532.70 and 7,231.40 is: 10,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021.80 : 22,532.70 = 7,231.40 : x
  2. Step 2: Convert to fraction form
    15,021.80/22,532.70 = 7,231.40/x
  3. Step 3: Cross multiply
    15,021.80x = 22,532.70 × 7,231.40
  4. Step 4: Simplify right side
    15,021.80x = 162,942,966.78
  5. Step 5: Solve for x
    x = 162,942,966.78/15,021.80
  6. Step 6: Final answer
    x = 10,847.10

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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.