Home / 19,549.08-26,979.48-11,166.12

Finding the Fourth Proportional to 19,549.08, 26,979.48 and 11,166.12

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Solution

The fourth proportional to 19,549.08, 26,979.48 and 11,166.12 is: 15,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.08 : 26,979.48 = 11,166.12 : x
  2. Step 2: Convert to fraction form
    19,549.08/26,979.48 = 11,166.12/x
  3. Step 3: Cross multiply
    19,549.08x = 26,979.48 × 11,166.12
  4. Step 4: Simplify right side
    19,549.08x = 301,256,111.22
  5. Step 5: Solve for x
    x = 301,256,111.22/19,549.08
  6. Step 6: Final answer
    x = 15,410.24

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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.