Home / 13,258.15-19,886.77-3,397.53

Finding the Fourth Proportional to 13,258.15, 19,886.77 and 3,397.53

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Solution

The fourth proportional to 13,258.15, 19,886.77 and 3,397.53 is: 5,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.15 : 19,886.77 = 3,397.53 : x
  2. Step 2: Convert to fraction form
    13,258.15/19,886.77 = 3,397.53/x
  3. Step 3: Cross multiply
    13,258.15x = 19,886.77 × 3,397.53
  4. Step 4: Simplify right side
    13,258.15x = 67,565,897.68
  5. Step 5: Solve for x
    x = 67,565,897.68/13,258.15
  6. Step 6: Final answer
    x = 5,096.18

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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.