Home / 10,161.65-15,204.21-6,555.84

Finding the Fourth Proportional to 10,161.65, 15,204.21 and 6,555.84

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Solution

The fourth proportional to 10,161.65, 15,204.21 and 6,555.84 is: 9,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.65 : 15,204.21 = 6,555.84 : x
  2. Step 2: Convert to fraction form
    10,161.65/15,204.21 = 6,555.84/x
  3. Step 3: Cross multiply
    10,161.65x = 15,204.21 × 6,555.84
  4. Step 4: Simplify right side
    10,161.65x = 99,676,286.49
  5. Step 5: Solve for x
    x = 99,676,286.49/10,161.65
  6. Step 6: Final answer
    x = 9,809.06

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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.