Home / 12,554.68-18,838.20-8,880.52

Finding the Fourth Proportional to 12,554.68, 18,838.20 and 8,880.52

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Solution

The fourth proportional to 12,554.68, 18,838.20 and 8,880.52 is: 13,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.68 : 18,838.20 = 8,880.52 : x
  2. Step 2: Convert to fraction form
    12,554.68/18,838.20 = 8,880.52/x
  3. Step 3: Cross multiply
    12,554.68x = 18,838.20 × 8,880.52
  4. Step 4: Simplify right side
    12,554.68x = 167,293,011.86
  5. Step 5: Solve for x
    x = 167,293,011.86/12,554.68
  6. Step 6: Final answer
    x = 13,325.15

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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.