Home / 16,510.55-24,764.96-5,415.78

Finding the Fourth Proportional to 16,510.55, 24,764.96 and 5,415.78

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Solution

The fourth proportional to 16,510.55, 24,764.96 and 5,415.78 is: 8,123.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,510.55 : 24,764.96 = 5,415.78 : x
  2. Step 2: Convert to fraction form
    16,510.55/24,764.96 = 5,415.78/x
  3. Step 3: Cross multiply
    16,510.55x = 24,764.96 × 5,415.78
  4. Step 4: Simplify right side
    16,510.55x = 134,121,547.99
  5. Step 5: Solve for x
    x = 134,121,547.99/16,510.55
  6. Step 6: Final answer
    x = 8,123.38

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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.