Home / 10,876.36-16,312.48-4,635.20

Finding the Fourth Proportional to 10,876.36, 16,312.48 and 4,635.20

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Solution

The fourth proportional to 10,876.36, 16,312.48 and 4,635.20 is: 6,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.36 : 16,312.48 = 4,635.20 : x
  2. Step 2: Convert to fraction form
    10,876.36/16,312.48 = 4,635.20/x
  3. Step 3: Cross multiply
    10,876.36x = 16,312.48 × 4,635.20
  4. Step 4: Simplify right side
    10,876.36x = 75,611,607.30
  5. Step 5: Solve for x
    x = 75,611,607.30/10,876.36
  6. Step 6: Final answer
    x = 6,951.92

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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.