Home / 16,407.20-24,578.40-9,813.80

Finding the Fourth Proportional to 16,407.20, 24,578.40 and 9,813.80

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Solution

The fourth proportional to 16,407.20, 24,578.40 and 9,813.80 is: 14,701.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,407.20 : 24,578.40 = 9,813.80 : x
  2. Step 2: Convert to fraction form
    16,407.20/24,578.40 = 9,813.80/x
  3. Step 3: Cross multiply
    16,407.20x = 24,578.40 × 9,813.80
  4. Step 4: Simplify right side
    16,407.20x = 241,207,501.92
  5. Step 5: Solve for x
    x = 241,207,501.92/16,407.20
  6. Step 6: Final answer
    x = 14,701.32

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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.