Home / 15,805.34-23,702.94-8,788.71

Finding the Fourth Proportional to 15,805.34, 23,702.94 and 8,788.71

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Solution

The fourth proportional to 15,805.34, 23,702.94 and 8,788.71 is: 13,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,805.34 : 23,702.94 = 8,788.71 : x
  2. Step 2: Convert to fraction form
    15,805.34/23,702.94 = 8,788.71/x
  3. Step 3: Cross multiply
    15,805.34x = 23,702.94 × 8,788.71
  4. Step 4: Simplify right side
    15,805.34x = 208,318,265.81
  5. Step 5: Solve for x
    x = 208,318,265.81/15,805.34
  6. Step 6: Final answer
    x = 13,180.25

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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.