Home / 13,425.54-18,527.32-7,760.52

Finding the Fourth Proportional to 13,425.54, 18,527.32 and 7,760.52

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Solution

The fourth proportional to 13,425.54, 18,527.32 and 7,760.52 is: 10,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.54 : 18,527.32 = 7,760.52 : x
  2. Step 2: Convert to fraction form
    13,425.54/18,527.32 = 7,760.52/x
  3. Step 3: Cross multiply
    13,425.54x = 18,527.32 × 7,760.52
  4. Step 4: Simplify right side
    13,425.54x = 143,781,637.41
  5. Step 5: Solve for x
    x = 143,781,637.41/13,425.54
  6. Step 6: Final answer
    x = 10,709.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.