Home / 19,145.68-26,407.88-11,697.36

Finding the Fourth Proportional to 19,145.68, 26,407.88 and 11,697.36

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Solution

The fourth proportional to 19,145.68, 26,407.88 and 11,697.36 is: 16,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.68 : 26,407.88 = 11,697.36 : x
  2. Step 2: Convert to fraction form
    19,145.68/26,407.88 = 11,697.36/x
  3. Step 3: Cross multiply
    19,145.68x = 26,407.88 × 11,697.36
  4. Step 4: Simplify right side
    19,145.68x = 308,902,479.20
  5. Step 5: Solve for x
    x = 308,902,479.20/19,145.68
  6. Step 6: Final answer
    x = 16,134.32

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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.