Home / 19,264-26,575.36-13,678.08

Finding the Fourth Proportional to 19,264, 26,575.36 and 13,678.08

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Solution

The fourth proportional to 19,264, 26,575.36 and 13,678.08 is: 18,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264 : 26,575.36 = 13,678.08 : x
  2. Step 2: Convert to fraction form
    19,264/26,575.36 = 13,678.08/x
  3. Step 3: Cross multiply
    19,264x = 26,575.36 × 13,678.08
  4. Step 4: Simplify right side
    19,264x = 363,499,900.11
  5. Step 5: Solve for x
    x = 363,499,900.11/19,264
  6. Step 6: Final answer
    x = 18,869.39

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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.