Home / 19,031.30-26,265.30-11,077.94

Finding the Fourth Proportional to 19,031.30, 26,265.30 and 11,077.94

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Solution

The fourth proportional to 19,031.30, 26,265.30 and 11,077.94 is: 15,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.30 : 26,265.30 = 11,077.94 : x
  2. Step 2: Convert to fraction form
    19,031.30/26,265.30 = 11,077.94/x
  3. Step 3: Cross multiply
    19,031.30x = 26,265.30 × 11,077.94
  4. Step 4: Simplify right side
    19,031.30x = 290,965,417.48
  5. Step 5: Solve for x
    x = 290,965,417.48/19,031.30
  6. Step 6: Final answer
    x = 15,288.78

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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.