Home / 9,851.18-13,589.34-6,660.28

Finding the Fourth Proportional to 9,851.18, 13,589.34 and 6,660.28

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Solution

The fourth proportional to 9,851.18, 13,589.34 and 6,660.28 is: 9,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,851.18 : 13,589.34 = 6,660.28 : x
  2. Step 2: Convert to fraction form
    9,851.18/13,589.34 = 6,660.28/x
  3. Step 3: Cross multiply
    9,851.18x = 13,589.34 × 6,660.28
  4. Step 4: Simplify right side
    9,851.18x = 90,508,741.47
  5. Step 5: Solve for x
    x = 90,508,741.47/9,851.18
  6. Step 6: Final answer
    x = 9,187.60

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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.