Home / 10,948.04-15,109.50-6,231.56

Finding the Fourth Proportional to 10,948.04, 15,109.50 and 6,231.56

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Solution

The fourth proportional to 10,948.04, 15,109.50 and 6,231.56 is: 8,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.04 : 15,109.50 = 6,231.56 : x
  2. Step 2: Convert to fraction form
    10,948.04/15,109.50 = 6,231.56/x
  3. Step 3: Cross multiply
    10,948.04x = 15,109.50 × 6,231.56
  4. Step 4: Simplify right side
    10,948.04x = 94,155,755.82
  5. Step 5: Solve for x
    x = 94,155,755.82/10,948.04
  6. Step 6: Final answer
    x = 8,600.24

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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.