Home / 15,561.14-23,319.84-6,777.64

Finding the Fourth Proportional to 15,561.14, 23,319.84 and 6,777.64

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Solution

The fourth proportional to 15,561.14, 23,319.84 and 6,777.64 is: 10,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.14 : 23,319.84 = 6,777.64 : x
  2. Step 2: Convert to fraction form
    15,561.14/23,319.84 = 6,777.64/x
  3. Step 3: Cross multiply
    15,561.14x = 23,319.84 × 6,777.64
  4. Step 4: Simplify right side
    15,561.14x = 158,053,363.78
  5. Step 5: Solve for x
    x = 158,053,363.78/15,561.14
  6. Step 6: Final answer
    x = 10,156.93

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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.