Home / 8,938.07-13,412.15-8,867.51

Finding the Fourth Proportional to 8,938.07, 13,412.15 and 8,867.51

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Solution

The fourth proportional to 8,938.07, 13,412.15 and 8,867.51 is: 13,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.07 : 13,412.15 = 8,867.51 : x
  2. Step 2: Convert to fraction form
    8,938.07/13,412.15 = 8,867.51/x
  3. Step 3: Cross multiply
    8,938.07x = 13,412.15 × 8,867.51
  4. Step 4: Simplify right side
    8,938.07x = 118,932,374.25
  5. Step 5: Solve for x
    x = 118,932,374.25/8,938.07
  6. Step 6: Final answer
    x = 13,306.27

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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.