Home / 13,307.09-19,967.39-8,867.79

Finding the Fourth Proportional to 13,307.09, 19,967.39 and 8,867.79

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Solution

The fourth proportional to 13,307.09, 19,967.39 and 8,867.79 is: 13,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.09 : 19,967.39 = 8,867.79 : x
  2. Step 2: Convert to fraction form
    13,307.09/19,967.39 = 8,867.79/x
  3. Step 3: Cross multiply
    13,307.09x = 19,967.39 × 8,867.79
  4. Step 4: Simplify right side
    13,307.09x = 177,066,577.03
  5. Step 5: Solve for x
    x = 177,066,577.03/13,307.09
  6. Step 6: Final answer
    x = 13,306.19

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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.