Home / 9,886.74-13,642.50-5,907.07

Finding the Fourth Proportional to 9,886.74, 13,642.50 and 5,907.07

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Solution

The fourth proportional to 9,886.74, 13,642.50 and 5,907.07 is: 8,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.74 : 13,642.50 = 5,907.07 : x
  2. Step 2: Convert to fraction form
    9,886.74/13,642.50 = 5,907.07/x
  3. Step 3: Cross multiply
    9,886.74x = 13,642.50 × 5,907.07
  4. Step 4: Simplify right side
    9,886.74x = 80,587,202.48
  5. Step 5: Solve for x
    x = 80,587,202.48/9,886.74
  6. Step 6: Final answer
    x = 8,151.04

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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.