Home / 13,366.41-18,446.30-7,702.05

Finding the Fourth Proportional to 13,366.41, 18,446.30 and 7,702.05

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Solution

The fourth proportional to 13,366.41, 18,446.30 and 7,702.05 is: 10,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.41 : 18,446.30 = 7,702.05 : x
  2. Step 2: Convert to fraction form
    13,366.41/18,446.30 = 7,702.05/x
  3. Step 3: Cross multiply
    13,366.41x = 18,446.30 × 7,702.05
  4. Step 4: Simplify right side
    13,366.41x = 142,074,194.17
  5. Step 5: Solve for x
    x = 142,074,194.17/13,366.41
  6. Step 6: Final answer
    x = 10,629.20

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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.