Home / 15,259.46-21,054.56-8,884.62

Finding the Fourth Proportional to 15,259.46, 21,054.56 and 8,884.62

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Solution

The fourth proportional to 15,259.46, 21,054.56 and 8,884.62 is: 12,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.46 : 21,054.56 = 8,884.62 : x
  2. Step 2: Convert to fraction form
    15,259.46/21,054.56 = 8,884.62/x
  3. Step 3: Cross multiply
    15,259.46x = 21,054.56 × 8,884.62
  4. Step 4: Simplify right side
    15,259.46x = 187,061,720.44
  5. Step 5: Solve for x
    x = 187,061,720.44/15,259.46
  6. Step 6: Final answer
    x = 12,258.74

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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.