Home / 42,406.76-63,602.94-11,245.16

Finding the Fourth Proportional to 42,406.76, 63,602.94 and 11,245.16

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Solution

The fourth proportional to 42,406.76, 63,602.94 and 11,245.16 is: 16,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,406.76 : 63,602.94 = 11,245.16 : x
  2. Step 2: Convert to fraction form
    42,406.76/63,602.94 = 11,245.16/x
  3. Step 3: Cross multiply
    42,406.76x = 63,602.94 × 11,245.16
  4. Step 4: Simplify right side
    42,406.76x = 715,225,236.77
  5. Step 5: Solve for x
    x = 715,225,236.77/42,406.76
  6. Step 6: Final answer
    x = 16,865.83

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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.