Home / 10,435.04-15,624.82-8,160.88

Finding the Fourth Proportional to 10,435.04, 15,624.82 and 8,160.88

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Solution

The fourth proportional to 10,435.04, 15,624.82 and 8,160.88 is: 12,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.04 : 15,624.82 = 8,160.88 : x
  2. Step 2: Convert to fraction form
    10,435.04/15,624.82 = 8,160.88/x
  3. Step 3: Cross multiply
    10,435.04x = 15,624.82 × 8,160.88
  4. Step 4: Simplify right side
    10,435.04x = 127,512,281.04
  5. Step 5: Solve for x
    x = 127,512,281.04/10,435.04
  6. Step 6: Final answer
    x = 12,219.63

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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.