Home / 15,977.60-23,916.14-13,178.24

Finding the Fourth Proportional to 15,977.60, 23,916.14 and 13,178.24

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Solution

The fourth proportional to 15,977.60, 23,916.14 and 13,178.24 is: 19,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.60 : 23,916.14 = 13,178.24 : x
  2. Step 2: Convert to fraction form
    15,977.60/23,916.14 = 13,178.24/x
  3. Step 3: Cross multiply
    15,977.60x = 23,916.14 × 13,178.24
  4. Step 4: Simplify right side
    15,977.60x = 315,172,632.79
  5. Step 5: Solve for x
    x = 315,172,632.79/15,977.60
  6. Step 6: Final answer
    x = 19,725.91

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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.