Home / 15,525.31-23,392.57-12,812.74

Finding the Fourth Proportional to 15,525.31, 23,392.57 and 12,812.74

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Solution

The fourth proportional to 15,525.31, 23,392.57 and 12,812.74 is: 19,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525.31 : 23,392.57 = 12,812.74 : x
  2. Step 2: Convert to fraction form
    15,525.31/23,392.57 = 12,812.74/x
  3. Step 3: Cross multiply
    15,525.31x = 23,392.57 × 12,812.74
  4. Step 4: Simplify right side
    15,525.31x = 299,722,917.34
  5. Step 5: Solve for x
    x = 299,722,917.34/15,525.31
  6. Step 6: Final answer
    x = 19,305.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.