Home / 15,103.80-22,655.70-5,243.10

Finding the Fourth Proportional to 15,103.80, 22,655.70 and 5,243.10

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Solution

The fourth proportional to 15,103.80, 22,655.70 and 5,243.10 is: 7,864.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.80 : 22,655.70 = 5,243.10 : x
  2. Step 2: Convert to fraction form
    15,103.80/22,655.70 = 5,243.10/x
  3. Step 3: Cross multiply
    15,103.80x = 22,655.70 × 5,243.10
  4. Step 4: Simplify right side
    15,103.80x = 118,786,100.67
  5. Step 5: Solve for x
    x = 118,786,100.67/15,103.80
  6. Step 6: Final answer
    x = 7,864.65

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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.