Home / 16,478.50-24,720.86-6,618.55

Finding the Fourth Proportional to 16,478.50, 24,720.86 and 6,618.55

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Solution

The fourth proportional to 16,478.50, 24,720.86 and 6,618.55 is: 9,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.50 : 24,720.86 = 6,618.55 : x
  2. Step 2: Convert to fraction form
    16,478.50/24,720.86 = 6,618.55/x
  3. Step 3: Cross multiply
    16,478.50x = 24,720.86 × 6,618.55
  4. Step 4: Simplify right side
    16,478.50x = 163,616,247.95
  5. Step 5: Solve for x
    x = 163,616,247.95/16,478.50
  6. Step 6: Final answer
    x = 9,929.07

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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.