Home / 13,278.06-19,915.56-8,333.01

Finding the Fourth Proportional to 13,278.06, 19,915.56 and 8,333.01

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Solution

The fourth proportional to 13,278.06, 19,915.56 and 8,333.01 is: 12,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,278.06 : 19,915.56 = 8,333.01 : x
  2. Step 2: Convert to fraction form
    13,278.06/19,915.56 = 8,333.01/x
  3. Step 3: Cross multiply
    13,278.06x = 19,915.56 × 8,333.01
  4. Step 4: Simplify right side
    13,278.06x = 165,956,560.64
  5. Step 5: Solve for x
    x = 165,956,560.64/13,278.06
  6. Step 6: Final answer
    x = 12,498.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.