Home / 13,231.07-18,258.34-7,565.52

Finding the Fourth Proportional to 13,231.07, 18,258.34 and 7,565.52

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Solution

The fourth proportional to 13,231.07, 18,258.34 and 7,565.52 is: 10,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.07 : 18,258.34 = 7,565.52 : x
  2. Step 2: Convert to fraction form
    13,231.07/18,258.34 = 7,565.52/x
  3. Step 3: Cross multiply
    13,231.07x = 18,258.34 × 7,565.52
  4. Step 4: Simplify right side
    13,231.07x = 138,133,836.44
  5. Step 5: Solve for x
    x = 138,133,836.44/13,231.07
  6. Step 6: Final answer
    x = 10,440.11

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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.