Home / 10,788.32-14,884.16-6,540.72

Finding the Fourth Proportional to 10,788.32, 14,884.16 and 6,540.72

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Solution

The fourth proportional to 10,788.32, 14,884.16 and 6,540.72 is: 9,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.32 : 14,884.16 = 6,540.72 : x
  2. Step 2: Convert to fraction form
    10,788.32/14,884.16 = 6,540.72/x
  3. Step 3: Cross multiply
    10,788.32x = 14,884.16 × 6,540.72
  4. Step 4: Simplify right side
    10,788.32x = 97,353,123.00
  5. Step 5: Solve for x
    x = 97,353,123.00/10,788.32
  6. Step 6: Final answer
    x = 9,023.94

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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.