Home / 15,959.74-23,917.20-12,613.27

Finding the Fourth Proportional to 15,959.74, 23,917.20 and 12,613.27

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Solution

The fourth proportional to 15,959.74, 23,917.20 and 12,613.27 is: 18,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.74 : 23,917.20 = 12,613.27 : x
  2. Step 2: Convert to fraction form
    15,959.74/23,917.20 = 12,613.27/x
  3. Step 3: Cross multiply
    15,959.74x = 23,917.20 × 12,613.27
  4. Step 4: Simplify right side
    15,959.74x = 301,674,038.18
  5. Step 5: Solve for x
    x = 301,674,038.18/15,959.74
  6. Step 6: Final answer
    x = 18,902.20

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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.