Home / 10,947.04-15,108.12-6,230.56

Finding the Fourth Proportional to 10,947.04, 15,108.12 and 6,230.56

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Solution

The fourth proportional to 10,947.04, 15,108.12 and 6,230.56 is: 8,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.04 : 15,108.12 = 6,230.56 : x
  2. Step 2: Convert to fraction form
    10,947.04/15,108.12 = 6,230.56/x
  3. Step 3: Cross multiply
    10,947.04x = 15,108.12 × 6,230.56
  4. Step 4: Simplify right side
    10,947.04x = 94,132,048.15
  5. Step 5: Solve for x
    x = 94,132,048.15/10,947.04
  6. Step 6: Final answer
    x = 8,598.86

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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.