Home / 11,124.16-16,699.20-7,244.80

Finding the Fourth Proportional to 11,124.16, 16,699.20 and 7,244.80

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Solution

The fourth proportional to 11,124.16, 16,699.20 and 7,244.80 is: 10,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.16 : 16,699.20 = 7,244.80 : x
  2. Step 2: Convert to fraction form
    11,124.16/16,699.20 = 7,244.80/x
  3. Step 3: Cross multiply
    11,124.16x = 16,699.20 × 7,244.80
  4. Step 4: Simplify right side
    11,124.16x = 120,982,364.16
  5. Step 5: Solve for x
    x = 120,982,364.16/11,124.16
  6. Step 6: Final answer
    x = 10,875.64

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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.