Home / 9,258.30-13,877.12-7,412.72

Finding the Fourth Proportional to 9,258.30, 13,877.12 and 7,412.72

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Solution

The fourth proportional to 9,258.30, 13,877.12 and 7,412.72 is: 11,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.30 : 13,877.12 = 7,412.72 : x
  2. Step 2: Convert to fraction form
    9,258.30/13,877.12 = 7,412.72/x
  3. Step 3: Cross multiply
    9,258.30x = 13,877.12 × 7,412.72
  4. Step 4: Simplify right side
    9,258.30x = 102,867,154.11
  5. Step 5: Solve for x
    x = 102,867,154.11/9,258.30
  6. Step 6: Final answer
    x = 11,110.80

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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.