Home / 19,090.68-26,347.85-11,538.10

Finding the Fourth Proportional to 19,090.68, 26,347.85 and 11,538.10

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Solution

The fourth proportional to 19,090.68, 26,347.85 and 11,538.10 is: 15,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.68 : 26,347.85 = 11,538.10 : x
  2. Step 2: Convert to fraction form
    19,090.68/26,347.85 = 11,538.10/x
  3. Step 3: Cross multiply
    19,090.68x = 26,347.85 × 11,538.10
  4. Step 4: Simplify right side
    19,090.68x = 304,004,128.09
  5. Step 5: Solve for x
    x = 304,004,128.09/19,090.68
  6. Step 6: Final answer
    x = 15,924.22

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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.