Home / 15,561.42-21,473.91-8,846.11

Finding the Fourth Proportional to 15,561.42, 21,473.91 and 8,846.11

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Solution

The fourth proportional to 15,561.42, 21,473.91 and 8,846.11 is: 12,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.42 : 21,473.91 = 8,846.11 : x
  2. Step 2: Convert to fraction form
    15,561.42/21,473.91 = 8,846.11/x
  3. Step 3: Cross multiply
    15,561.42x = 21,473.91 × 8,846.11
  4. Step 4: Simplify right side
    15,561.42x = 189,960,596.83
  5. Step 5: Solve for x
    x = 189,960,596.83/15,561.42
  6. Step 6: Final answer
    x = 12,207.15

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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.