Home / 15,977.88-22,051.56-11,516.40

Finding the Fourth Proportional to 15,977.88, 22,051.56 and 11,516.40

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Solution

The fourth proportional to 15,977.88, 22,051.56 and 11,516.40 is: 15,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.88 : 22,051.56 = 11,516.40 : x
  2. Step 2: Convert to fraction form
    15,977.88/22,051.56 = 11,516.40/x
  3. Step 3: Cross multiply
    15,977.88x = 22,051.56 × 11,516.40
  4. Step 4: Simplify right side
    15,977.88x = 253,954,585.58
  5. Step 5: Solve for x
    x = 253,954,585.58/15,977.88
  6. Step 6: Final answer
    x = 15,894.14

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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.