Home / 18,739.36-28,095.14-11,342.08

Finding the Fourth Proportional to 18,739.36, 28,095.14 and 11,342.08

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Solution

The fourth proportional to 18,739.36, 28,095.14 and 11,342.08 is: 17,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.36 : 28,095.14 = 11,342.08 : x
  2. Step 2: Convert to fraction form
    18,739.36/28,095.14 = 11,342.08/x
  3. Step 3: Cross multiply
    18,739.36x = 28,095.14 × 11,342.08
  4. Step 4: Simplify right side
    18,739.36x = 318,657,325.17
  5. Step 5: Solve for x
    x = 318,657,325.17/18,739.36
  6. Step 6: Final answer
    x = 17,004.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.