Home / 19,547.73-26,979.48-11,164.23

Finding the Fourth Proportional to 19,547.73, 26,979.48 and 11,164.23

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Solution

The fourth proportional to 19,547.73, 26,979.48 and 11,164.23 is: 15,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547.73 : 26,979.48 = 11,164.23 : x
  2. Step 2: Convert to fraction form
    19,547.73/26,979.48 = 11,164.23/x
  3. Step 3: Cross multiply
    19,547.73x = 26,979.48 × 11,164.23
  4. Step 4: Simplify right side
    19,547.73x = 301,205,120.00
  5. Step 5: Solve for x
    x = 301,205,120.00/19,547.73
  6. Step 6: Final answer
    x = 15,408.70

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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.