Home / 13,141.56-19,712.36-4,377.16

Finding the Fourth Proportional to 13,141.56, 19,712.36 and 4,377.16

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Solution

The fourth proportional to 13,141.56, 19,712.36 and 4,377.16 is: 6,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.56 : 19,712.36 = 4,377.16 : x
  2. Step 2: Convert to fraction form
    13,141.56/19,712.36 = 4,377.16/x
  3. Step 3: Cross multiply
    13,141.56x = 19,712.36 × 4,377.16
  4. Step 4: Simplify right side
    13,141.56x = 86,284,153.70
  5. Step 5: Solve for x
    x = 86,284,153.70/13,141.56
  6. Step 6: Final answer
    x = 6,565.75

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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.