Home / 13,254.25-19,877.13-5,858.55

Finding the Fourth Proportional to 13,254.25, 19,877.13 and 5,858.55

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Solution

The fourth proportional to 13,254.25, 19,877.13 and 5,858.55 is: 8,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.25 : 19,877.13 = 5,858.55 : x
  2. Step 2: Convert to fraction form
    13,254.25/19,877.13 = 5,858.55/x
  3. Step 3: Cross multiply
    13,254.25x = 19,877.13 × 5,858.55
  4. Step 4: Simplify right side
    13,254.25x = 116,451,159.96
  5. Step 5: Solve for x
    x = 116,451,159.96/13,254.25
  6. Step 6: Final answer
    x = 8,785.95

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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.