Home / 23,131.30-34,641.02-13,240.60

Finding the Fourth Proportional to 23,131.30, 34,641.02 and 13,240.60

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Solution

The fourth proportional to 23,131.30, 34,641.02 and 13,240.60 is: 19,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131.30 : 34,641.02 = 13,240.60 : x
  2. Step 2: Convert to fraction form
    23,131.30/34,641.02 = 13,240.60/x
  3. Step 3: Cross multiply
    23,131.30x = 34,641.02 × 13,240.60
  4. Step 4: Simplify right side
    23,131.30x = 458,667,889.41
  5. Step 5: Solve for x
    x = 458,667,889.41/23,131.30
  6. Step 6: Final answer
    x = 19,828.89

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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.