Home / 15,277.26-21,066.63-11,306.70

Finding the Fourth Proportional to 15,277.26, 21,066.63 and 11,306.70

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Solution

The fourth proportional to 15,277.26, 21,066.63 and 11,306.70 is: 15,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.26 : 21,066.63 = 11,306.70 : x
  2. Step 2: Convert to fraction form
    15,277.26/21,066.63 = 11,306.70/x
  3. Step 3: Cross multiply
    15,277.26x = 21,066.63 × 11,306.70
  4. Step 4: Simplify right side
    15,277.26x = 238,194,065.42
  5. Step 5: Solve for x
    x = 238,194,065.42/15,277.26
  6. Step 6: Final answer
    x = 15,591.41

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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.