Home / 16,280.10-24,420.15-9,719.10

Finding the Fourth Proportional to 16,280.10, 24,420.15 and 9,719.10

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Solution

The fourth proportional to 16,280.10, 24,420.15 and 9,719.10 is: 14,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,280.10 : 24,420.15 = 9,719.10 : x
  2. Step 2: Convert to fraction form
    16,280.10/24,420.15 = 9,719.10/x
  3. Step 3: Cross multiply
    16,280.10x = 24,420.15 × 9,719.10
  4. Step 4: Simplify right side
    16,280.10x = 237,341,879.87
  5. Step 5: Solve for x
    x = 237,341,879.87/16,280.10
  6. Step 6: Final answer
    x = 14,578.65

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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.