Home / 20,134.59-30,210.89-10,268.67

Finding the Fourth Proportional to 20,134.59, 30,210.89 and 10,268.67

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Solution

The fourth proportional to 20,134.59, 30,210.89 and 10,268.67 is: 15,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.59 : 30,210.89 = 10,268.67 : x
  2. Step 2: Convert to fraction form
    20,134.59/30,210.89 = 10,268.67/x
  3. Step 3: Cross multiply
    20,134.59x = 30,210.89 × 10,268.67
  4. Step 4: Simplify right side
    20,134.59x = 310,225,608.47
  5. Step 5: Solve for x
    x = 310,225,608.47/20,134.59
  6. Step 6: Final answer
    x = 15,407.60

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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.