Home / 10,946.32-16,420.60-4,371.60

Finding the Fourth Proportional to 10,946.32, 16,420.60 and 4,371.60

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Solution

The fourth proportional to 10,946.32, 16,420.60 and 4,371.60 is: 6,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.32 : 16,420.60 = 4,371.60 : x
  2. Step 2: Convert to fraction form
    10,946.32/16,420.60 = 4,371.60/x
  3. Step 3: Cross multiply
    10,946.32x = 16,420.60 × 4,371.60
  4. Step 4: Simplify right side
    10,946.32x = 71,784,294.96
  5. Step 5: Solve for x
    x = 71,784,294.96/10,946.32
  6. Step 6: Final answer
    x = 6,557.85

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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.