Home / 21,659.06-32,488.45-8,836.18

Finding the Fourth Proportional to 21,659.06, 32,488.45 and 8,836.18

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Solution

The fourth proportional to 21,659.06, 32,488.45 and 8,836.18 is: 13,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,659.06 : 32,488.45 = 8,836.18 : x
  2. Step 2: Convert to fraction form
    21,659.06/32,488.45 = 8,836.18/x
  3. Step 3: Cross multiply
    21,659.06x = 32,488.45 × 8,836.18
  4. Step 4: Simplify right side
    21,659.06x = 287,073,688.81
  5. Step 5: Solve for x
    x = 287,073,688.81/21,659.06
  6. Step 6: Final answer
    x = 13,254.21

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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.