Home / 10,710.55-16,070.40-4,471.95

Finding the Fourth Proportional to 10,710.55, 16,070.40 and 4,471.95

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Solution

The fourth proportional to 10,710.55, 16,070.40 and 4,471.95 is: 6,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.55 : 16,070.40 = 4,471.95 : x
  2. Step 2: Convert to fraction form
    10,710.55/16,070.40 = 4,471.95/x
  3. Step 3: Cross multiply
    10,710.55x = 16,070.40 × 4,471.95
  4. Step 4: Simplify right side
    10,710.55x = 71,866,025.28
  5. Step 5: Solve for x
    x = 71,866,025.28/10,710.55
  6. Step 6: Final answer
    x = 6,709.84

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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.