Home / 16,400.78-24,598.11-4,393.07

Finding the Fourth Proportional to 16,400.78, 24,598.11 and 4,393.07

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Solution

The fourth proportional to 16,400.78, 24,598.11 and 4,393.07 is: 6,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400.78 : 24,598.11 = 4,393.07 : x
  2. Step 2: Convert to fraction form
    16,400.78/24,598.11 = 4,393.07/x
  3. Step 3: Cross multiply
    16,400.78x = 24,598.11 × 4,393.07
  4. Step 4: Simplify right side
    16,400.78x = 108,061,219.10
  5. Step 5: Solve for x
    x = 108,061,219.10/16,400.78
  6. Step 6: Final answer
    x = 6,588.79

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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.