Home / 16,621.79-24,942-8,830.40

Finding the Fourth Proportional to 16,621.79, 24,942 and 8,830.40

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Solution

The fourth proportional to 16,621.79, 24,942 and 8,830.40 is: 13,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.79 : 24,942 = 8,830.40 : x
  2. Step 2: Convert to fraction form
    16,621.79/24,942 = 8,830.40/x
  3. Step 3: Cross multiply
    16,621.79x = 24,942 × 8,830.40
  4. Step 4: Simplify right side
    16,621.79x = 220,247,712.09
  5. Step 5: Solve for x
    x = 220,247,712.09/16,621.79
  6. Step 6: Final answer
    x = 13,250.55

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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.