Home / 15,561.60-21,474.17-8,846.30

Finding the Fourth Proportional to 15,561.60, 21,474.17 and 8,846.30

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Solution

The fourth proportional to 15,561.60, 21,474.17 and 8,846.30 is: 12,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.60 : 21,474.17 = 8,846.30 : x
  2. Step 2: Convert to fraction form
    15,561.60/21,474.17 = 8,846.30/x
  3. Step 3: Cross multiply
    15,561.60x = 21,474.17 × 8,846.30
  4. Step 4: Simplify right side
    15,561.60x = 189,966,950.07
  5. Step 5: Solve for x
    x = 189,966,950.07/15,561.60
  6. Step 6: Final answer
    x = 12,207.42

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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.