Home / 11,748.20-16,210.50-7,767.18

Finding the Fourth Proportional to 11,748.20, 16,210.50 and 7,767.18

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Solution

The fourth proportional to 11,748.20, 16,210.50 and 7,767.18 is: 10,717.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.20 : 16,210.50 = 7,767.18 : x
  2. Step 2: Convert to fraction form
    11,748.20/16,210.50 = 7,767.18/x
  3. Step 3: Cross multiply
    11,748.20x = 16,210.50 × 7,767.18
  4. Step 4: Simplify right side
    11,748.20x = 125,909,871.39
  5. Step 5: Solve for x
    x = 125,909,871.39/11,748.20
  6. Step 6: Final answer
    x = 10,717.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.