Home / 15,538.92-23,315.67-7,748.34

Finding the Fourth Proportional to 15,538.92, 23,315.67 and 7,748.34

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Solution

The fourth proportional to 15,538.92, 23,315.67 and 7,748.34 is: 11,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,538.92 : 23,315.67 = 7,748.34 : x
  2. Step 2: Convert to fraction form
    15,538.92/23,315.67 = 7,748.34/x
  3. Step 3: Cross multiply
    15,538.92x = 23,315.67 × 7,748.34
  4. Step 4: Simplify right side
    15,538.92x = 180,657,738.49
  5. Step 5: Solve for x
    x = 180,657,738.49/15,538.92
  6. Step 6: Final answer
    x = 11,626.15

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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.