Home / 9,434.76-13,014.38-6,449.08

Finding the Fourth Proportional to 9,434.76, 13,014.38 and 6,449.08

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Solution

The fourth proportional to 9,434.76, 13,014.38 and 6,449.08 is: 8,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434.76 : 13,014.38 = 6,449.08 : x
  2. Step 2: Convert to fraction form
    9,434.76/13,014.38 = 6,449.08/x
  3. Step 3: Cross multiply
    9,434.76x = 13,014.38 × 6,449.08
  4. Step 4: Simplify right side
    9,434.76x = 83,930,777.77
  5. Step 5: Solve for x
    x = 83,930,777.77/9,434.76
  6. Step 6: Final answer
    x = 8,895.91

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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.