Home / 26,258.16-39,367.18-13,119.74

Finding the Fourth Proportional to 26,258.16, 39,367.18 and 13,119.74

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Solution

The fourth proportional to 26,258.16, 39,367.18 and 13,119.74 is: 19,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,258.16 : 39,367.18 = 13,119.74 : x
  2. Step 2: Convert to fraction form
    26,258.16/39,367.18 = 13,119.74/x
  3. Step 3: Cross multiply
    26,258.16x = 39,367.18 × 13,119.74
  4. Step 4: Simplify right side
    26,258.16x = 516,487,166.13
  5. Step 5: Solve for x
    x = 516,487,166.13/26,258.16
  6. Step 6: Final answer
    x = 19,669.59

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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.