Home / 13,434.75-20,152.13-5,226.75

Finding the Fourth Proportional to 13,434.75, 20,152.13 and 5,226.75

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Solution

The fourth proportional to 13,434.75, 20,152.13 and 5,226.75 is: 7,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.75 : 20,152.13 = 5,226.75 : x
  2. Step 2: Convert to fraction form
    13,434.75/20,152.13 = 5,226.75/x
  3. Step 3: Cross multiply
    13,434.75x = 20,152.13 × 5,226.75
  4. Step 4: Simplify right side
    13,434.75x = 105,330,119.34
  5. Step 5: Solve for x
    x = 105,330,119.34/13,434.75
  6. Step 6: Final answer
    x = 7,840.13

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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.