Home / 20,159.46-30,228.76-9,056.65

Finding the Fourth Proportional to 20,159.46, 30,228.76 and 9,056.65

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Solution

The fourth proportional to 20,159.46, 30,228.76 and 9,056.65 is: 13,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159.46 : 30,228.76 = 9,056.65 : x
  2. Step 2: Convert to fraction form
    20,159.46/30,228.76 = 9,056.65/x
  3. Step 3: Cross multiply
    20,159.46x = 30,228.76 × 9,056.65
  4. Step 4: Simplify right side
    20,159.46x = 273,771,299.25
  5. Step 5: Solve for x
    x = 273,771,299.25/20,159.46
  6. Step 6: Final answer
    x = 13,580.29

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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.