Home / 13,552.20-18,702.42-7,583.72

Finding the Fourth Proportional to 13,552.20, 18,702.42 and 7,583.72

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Solution

The fourth proportional to 13,552.20, 18,702.42 and 7,583.72 is: 10,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.20 : 18,702.42 = 7,583.72 : x
  2. Step 2: Convert to fraction form
    13,552.20/18,702.42 = 7,583.72/x
  3. Step 3: Cross multiply
    13,552.20x = 18,702.42 × 7,583.72
  4. Step 4: Simplify right side
    13,552.20x = 141,833,916.60
  5. Step 5: Solve for x
    x = 141,833,916.60/13,552.20
  6. Step 6: Final answer
    x = 10,465.75

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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.