Home / 15,456.60-23,143.35-12,716.34

Finding the Fourth Proportional to 15,456.60, 23,143.35 and 12,716.34

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Solution

The fourth proportional to 15,456.60, 23,143.35 and 12,716.34 is: 19,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.60 : 23,143.35 = 12,716.34 : x
  2. Step 2: Convert to fraction form
    15,456.60/23,143.35 = 12,716.34/x
  3. Step 3: Cross multiply
    15,456.60x = 23,143.35 × 12,716.34
  4. Step 4: Simplify right side
    15,456.60x = 294,298,707.34
  5. Step 5: Solve for x
    x = 294,298,707.34/15,456.60
  6. Step 6: Final answer
    x = 19,040.33

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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.