Home / 19,031.50-26,263.56-10,648

Finding the Fourth Proportional to 19,031.50, 26,263.56 and 10,648

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Solution

The fourth proportional to 19,031.50, 26,263.56 and 10,648 is: 14,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.50 : 26,263.56 = 10,648 : x
  2. Step 2: Convert to fraction form
    19,031.50/26,263.56 = 10,648/x
  3. Step 3: Cross multiply
    19,031.50x = 26,263.56 × 10,648
  4. Step 4: Simplify right side
    19,031.50x = 279,654,386.88
  5. Step 5: Solve for x
    x = 279,654,386.88/19,031.50
  6. Step 6: Final answer
    x = 14,694.29

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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.