Home / 15,223.74-21,010.29-8,852.28

Finding the Fourth Proportional to 15,223.74, 21,010.29 and 8,852.28

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Solution

The fourth proportional to 15,223.74, 21,010.29 and 8,852.28 is: 12,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223.74 : 21,010.29 = 8,852.28 : x
  2. Step 2: Convert to fraction form
    15,223.74/21,010.29 = 8,852.28/x
  3. Step 3: Cross multiply
    15,223.74x = 21,010.29 × 8,852.28
  4. Step 4: Simplify right side
    15,223.74x = 185,988,969.96
  5. Step 5: Solve for x
    x = 185,988,969.96/15,223.74
  6. Step 6: Final answer
    x = 12,217.04

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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.