Home / 10,826.64-14,946.24-6,851.76

Finding the Fourth Proportional to 10,826.64, 14,946.24 and 6,851.76

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Solution

The fourth proportional to 10,826.64, 14,946.24 and 6,851.76 is: 9,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.64 : 14,946.24 = 6,851.76 : x
  2. Step 2: Convert to fraction form
    10,826.64/14,946.24 = 6,851.76/x
  3. Step 3: Cross multiply
    10,826.64x = 14,946.24 × 6,851.76
  4. Step 4: Simplify right side
    10,826.64x = 102,408,049.38
  5. Step 5: Solve for x
    x = 102,408,049.38/10,826.64
  6. Step 6: Final answer
    x = 9,458.89

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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.