Home / 19,301.48-26,636.90-10,918.12

Finding the Fourth Proportional to 19,301.48, 26,636.90 and 10,918.12

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Solution

The fourth proportional to 19,301.48, 26,636.90 and 10,918.12 is: 15,067.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.48 : 26,636.90 = 10,918.12 : x
  2. Step 2: Convert to fraction form
    19,301.48/26,636.90 = 10,918.12/x
  3. Step 3: Cross multiply
    19,301.48x = 26,636.90 × 10,918.12
  4. Step 4: Simplify right side
    19,301.48x = 290,824,870.63
  5. Step 5: Solve for x
    x = 290,824,870.63/19,301.48
  6. Step 6: Final answer
    x = 15,067.49

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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.