Home / 10,380.74-14,331.33-6,854.18

Finding the Fourth Proportional to 10,380.74, 14,331.33 and 6,854.18

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Solution

The fourth proportional to 10,380.74, 14,331.33 and 6,854.18 is: 9,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.74 : 14,331.33 = 6,854.18 : x
  2. Step 2: Convert to fraction form
    10,380.74/14,331.33 = 6,854.18/x
  3. Step 3: Cross multiply
    10,380.74x = 14,331.33 × 6,854.18
  4. Step 4: Simplify right side
    10,380.74x = 98,229,443.80
  5. Step 5: Solve for x
    x = 98,229,443.80/10,380.74
  6. Step 6: Final answer
    x = 9,462.67

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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.