Home / 16,880.18-25,335.60-8,989.30

Finding the Fourth Proportional to 16,880.18, 25,335.60 and 8,989.30

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Solution

The fourth proportional to 16,880.18, 25,335.60 and 8,989.30 is: 13,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.18 : 25,335.60 = 8,989.30 : x
  2. Step 2: Convert to fraction form
    16,880.18/25,335.60 = 8,989.30/x
  3. Step 3: Cross multiply
    16,880.18x = 25,335.60 × 8,989.30
  4. Step 4: Simplify right side
    16,880.18x = 227,749,309.08
  5. Step 5: Solve for x
    x = 227,749,309.08/16,880.18
  6. Step 6: Final answer
    x = 13,492.11

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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.