Home / 15,373.92-21,219.12-12,010.08

Finding the Fourth Proportional to 15,373.92, 21,219.12 and 12,010.08

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Solution

The fourth proportional to 15,373.92, 21,219.12 and 12,010.08 is: 16,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373.92 : 21,219.12 = 12,010.08 : x
  2. Step 2: Convert to fraction form
    15,373.92/21,219.12 = 12,010.08/x
  3. Step 3: Cross multiply
    15,373.92x = 21,219.12 × 12,010.08
  4. Step 4: Simplify right side
    15,373.92x = 254,843,328.73
  5. Step 5: Solve for x
    x = 254,843,328.73/15,373.92
  6. Step 6: Final answer
    x = 16,576.34

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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.