Home / 13,258.44-19,966.59-11,547.72

Finding the Fourth Proportional to 13,258.44, 19,966.59 and 11,547.72

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Solution

The fourth proportional to 13,258.44, 19,966.59 and 11,547.72 is: 17,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.44 : 19,966.59 = 11,547.72 : x
  2. Step 2: Convert to fraction form
    13,258.44/19,966.59 = 11,547.72/x
  3. Step 3: Cross multiply
    13,258.44x = 19,966.59 × 11,547.72
  4. Step 4: Simplify right side
    13,258.44x = 230,568,590.67
  5. Step 5: Solve for x
    x = 230,568,590.67/13,258.44
  6. Step 6: Final answer
    x = 17,390.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.