Home / 13,156.26-19,734.57-4,391.18

Finding the Fourth Proportional to 13,156.26, 19,734.57 and 4,391.18

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Solution

The fourth proportional to 13,156.26, 19,734.57 and 4,391.18 is: 6,586.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.26 : 19,734.57 = 4,391.18 : x
  2. Step 2: Convert to fraction form
    13,156.26/19,734.57 = 4,391.18/x
  3. Step 3: Cross multiply
    13,156.26x = 19,734.57 × 4,391.18
  4. Step 4: Simplify right side
    13,156.26x = 86,657,928.46
  5. Step 5: Solve for x
    x = 86,657,928.46/13,156.26
  6. Step 6: Final answer
    x = 6,586.82

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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.