Home / 18,626.16-25,702.08-10,667.60

Finding the Fourth Proportional to 18,626.16, 25,702.08 and 10,667.60

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Solution

The fourth proportional to 18,626.16, 25,702.08 and 10,667.60 is: 14,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.16 : 25,702.08 = 10,667.60 : x
  2. Step 2: Convert to fraction form
    18,626.16/25,702.08 = 10,667.60/x
  3. Step 3: Cross multiply
    18,626.16x = 25,702.08 × 10,667.60
  4. Step 4: Simplify right side
    18,626.16x = 274,179,508.61
  5. Step 5: Solve for x
    x = 274,179,508.61/18,626.16
  6. Step 6: Final answer
    x = 14,720.13

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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.