Home / 8,493.14-12,739.70-5,570.76

Finding the Fourth Proportional to 8,493.14, 12,739.70 and 5,570.76

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Solution

The fourth proportional to 8,493.14, 12,739.70 and 5,570.76 is: 8,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.14 : 12,739.70 = 5,570.76 : x
  2. Step 2: Convert to fraction form
    8,493.14/12,739.70 = 5,570.76/x
  3. Step 3: Cross multiply
    8,493.14x = 12,739.70 × 5,570.76
  4. Step 4: Simplify right side
    8,493.14x = 70,969,769.88
  5. Step 5: Solve for x
    x = 70,969,769.88/8,493.14
  6. Step 6: Final answer
    x = 8,356.13

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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.