Home / 10,088.81-15,134.84-4,247.09

Finding the Fourth Proportional to 10,088.81, 15,134.84 and 4,247.09

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Solution

The fourth proportional to 10,088.81, 15,134.84 and 4,247.09 is: 6,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.81 : 15,134.84 = 4,247.09 : x
  2. Step 2: Convert to fraction form
    10,088.81/15,134.84 = 4,247.09/x
  3. Step 3: Cross multiply
    10,088.81x = 15,134.84 × 4,247.09
  4. Step 4: Simplify right side
    10,088.81x = 64,278,930.71
  5. Step 5: Solve for x
    x = 64,278,930.71/10,088.81
  6. Step 6: Final answer
    x = 6,371.31

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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.