Home / 15,639.11-23,450.97-7,314.74

Finding the Fourth Proportional to 15,639.11, 23,450.97 and 7,314.74

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Solution

The fourth proportional to 15,639.11, 23,450.97 and 7,314.74 is: 10,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.11 : 23,450.97 = 7,314.74 : x
  2. Step 2: Convert to fraction form
    15,639.11/23,450.97 = 7,314.74/x
  3. Step 3: Cross multiply
    15,639.11x = 23,450.97 × 7,314.74
  4. Step 4: Simplify right side
    15,639.11x = 171,537,748.30
  5. Step 5: Solve for x
    x = 171,537,748.30/15,639.11
  6. Step 6: Final answer
    x = 10,968.51

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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.