Home / 15,256.28-21,053.06-8,883.06

Finding the Fourth Proportional to 15,256.28, 21,053.06 and 8,883.06

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Solution

The fourth proportional to 15,256.28, 21,053.06 and 8,883.06 is: 12,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256.28 : 21,053.06 = 8,883.06 : x
  2. Step 2: Convert to fraction form
    15,256.28/21,053.06 = 8,883.06/x
  3. Step 3: Cross multiply
    15,256.28x = 21,053.06 × 8,883.06
  4. Step 4: Simplify right side
    15,256.28x = 187,015,550.75
  5. Step 5: Solve for x
    x = 187,015,550.75/15,256.28
  6. Step 6: Final answer
    x = 12,258.26

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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.