Home / 19,143.99-26,418.58-10,645.98

Finding the Fourth Proportional to 19,143.99, 26,418.58 and 10,645.98

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Solution

The fourth proportional to 19,143.99, 26,418.58 and 10,645.98 is: 14,691.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.99 : 26,418.58 = 10,645.98 : x
  2. Step 2: Convert to fraction form
    19,143.99/26,418.58 = 10,645.98/x
  3. Step 3: Cross multiply
    19,143.99x = 26,418.58 × 10,645.98
  4. Step 4: Simplify right side
    19,143.99x = 281,251,674.31
  5. Step 5: Solve for x
    x = 281,251,674.31/19,143.99
  6. Step 6: Final answer
    x = 14,691.38

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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.