Home / 15,064.03-20,789.83-8,776

Finding the Fourth Proportional to 15,064.03, 20,789.83 and 8,776

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Solution

The fourth proportional to 15,064.03, 20,789.83 and 8,776 is: 12,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,064.03 : 20,789.83 = 8,776 : x
  2. Step 2: Convert to fraction form
    15,064.03/20,789.83 = 8,776/x
  3. Step 3: Cross multiply
    15,064.03x = 20,789.83 × 8,776
  4. Step 4: Simplify right side
    15,064.03x = 182,451,548.08
  5. Step 5: Solve for x
    x = 182,451,548.08/15,064.03
  6. Step 6: Final answer
    x = 12,111.74

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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.