Home / 42,269.18-63,398.88-11,106.86

Finding the Fourth Proportional to 42,269.18, 63,398.88 and 11,106.86

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Solution

The fourth proportional to 42,269.18, 63,398.88 and 11,106.86 is: 16,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,269.18 : 63,398.88 = 11,106.86 : x
  2. Step 2: Convert to fraction form
    42,269.18/63,398.88 = 11,106.86/x
  3. Step 3: Cross multiply
    42,269.18x = 63,398.88 × 11,106.86
  4. Step 4: Simplify right side
    42,269.18x = 704,162,484.32
  5. Step 5: Solve for x
    x = 704,162,484.32/42,269.18
  6. Step 6: Final answer
    x = 16,659.01

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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.