Home / 15,559.35-21,471.06-8,844.05

Finding the Fourth Proportional to 15,559.35, 21,471.06 and 8,844.05

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Solution

The fourth proportional to 15,559.35, 21,471.06 and 8,844.05 is: 12,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.35 : 21,471.06 = 8,844.05 : x
  2. Step 2: Convert to fraction form
    15,559.35/21,471.06 = 8,844.05/x
  3. Step 3: Cross multiply
    15,559.35x = 21,471.06 × 8,844.05
  4. Step 4: Simplify right side
    15,559.35x = 189,891,020.84
  5. Step 5: Solve for x
    x = 189,891,020.84/15,559.35
  6. Step 6: Final answer
    x = 12,204.30

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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.