Home / 11,060.01-15,282.23-8,840.21

Finding the Fourth Proportional to 11,060.01, 15,282.23 and 8,840.21

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Solution

The fourth proportional to 11,060.01, 15,282.23 and 8,840.21 is: 12,215.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.01 : 15,282.23 = 8,840.21 : x
  2. Step 2: Convert to fraction form
    11,060.01/15,282.23 = 8,840.21/x
  3. Step 3: Cross multiply
    11,060.01x = 15,282.23 × 8,840.21
  4. Step 4: Simplify right side
    11,060.01x = 135,098,001.86
  5. Step 5: Solve for x
    x = 135,098,001.86/11,060.01
  6. Step 6: Final answer
    x = 12,215.00

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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.