Home / 16,122.56-22,242.76-9,312.08

Finding the Fourth Proportional to 16,122.56, 22,242.76 and 9,312.08

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Solution

The fourth proportional to 16,122.56, 22,242.76 and 9,312.08 is: 12,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.56 : 22,242.76 = 9,312.08 : x
  2. Step 2: Convert to fraction form
    16,122.56/22,242.76 = 9,312.08/x
  3. Step 3: Cross multiply
    16,122.56x = 22,242.76 × 9,312.08
  4. Step 4: Simplify right side
    16,122.56x = 207,126,360.54
  5. Step 5: Solve for x
    x = 207,126,360.54/16,122.56
  6. Step 6: Final answer
    x = 12,846.99

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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.