Home / 15,476.76-23,215.95-11,784.78

Finding the Fourth Proportional to 15,476.76, 23,215.95 and 11,784.78

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Solution

The fourth proportional to 15,476.76, 23,215.95 and 11,784.78 is: 17,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476.76 : 23,215.95 = 11,784.78 : x
  2. Step 2: Convert to fraction form
    15,476.76/23,215.95 = 11,784.78/x
  3. Step 3: Cross multiply
    15,476.76x = 23,215.95 × 11,784.78
  4. Step 4: Simplify right side
    15,476.76x = 273,594,863.24
  5. Step 5: Solve for x
    x = 273,594,863.24/15,476.76
  6. Step 6: Final answer
    x = 17,677.79

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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.