Home / 10,020.12-13,825.27-6,479.07

Finding the Fourth Proportional to 10,020.12, 13,825.27 and 6,479.07

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Solution

The fourth proportional to 10,020.12, 13,825.27 and 6,479.07 is: 8,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.12 : 13,825.27 = 6,479.07 : x
  2. Step 2: Convert to fraction form
    10,020.12/13,825.27 = 6,479.07/x
  3. Step 3: Cross multiply
    10,020.12x = 13,825.27 × 6,479.07
  4. Step 4: Simplify right side
    10,020.12x = 89,574,822.97
  5. Step 5: Solve for x
    x = 89,574,822.97/10,020.12
  6. Step 6: Final answer
    x = 8,939.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.