Home / 19,142.63-26,417.70-10,645.61

Finding the Fourth Proportional to 19,142.63, 26,417.70 and 10,645.61

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Solution

The fourth proportional to 19,142.63, 26,417.70 and 10,645.61 is: 14,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.63 : 26,417.70 = 10,645.61 : x
  2. Step 2: Convert to fraction form
    19,142.63/26,417.70 = 10,645.61/x
  3. Step 3: Cross multiply
    19,142.63x = 26,417.70 × 10,645.61
  4. Step 4: Simplify right side
    19,142.63x = 281,232,399.21
  5. Step 5: Solve for x
    x = 281,232,399.21/19,142.63
  6. Step 6: Final answer
    x = 14,691.42

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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.