Home / 11,902.34-16,425.10-6,866.50

Finding the Fourth Proportional to 11,902.34, 16,425.10 and 6,866.50

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Solution

The fourth proportional to 11,902.34, 16,425.10 and 6,866.50 is: 9,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,902.34 : 16,425.10 = 6,866.50 : x
  2. Step 2: Convert to fraction form
    11,902.34/16,425.10 = 6,866.50/x
  3. Step 3: Cross multiply
    11,902.34x = 16,425.10 × 6,866.50
  4. Step 4: Simplify right side
    11,902.34x = 112,782,978.26
  5. Step 5: Solve for x
    x = 112,782,978.26/11,902.34
  6. Step 6: Final answer
    x = 9,475.70

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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.