Home / 18,863.18-26,031.75-10,904.70

Finding the Fourth Proportional to 18,863.18, 26,031.75 and 10,904.70

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Solution

The fourth proportional to 18,863.18, 26,031.75 and 10,904.70 is: 15,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.18 : 26,031.75 = 10,904.70 : x
  2. Step 2: Convert to fraction form
    18,863.18/26,031.75 = 10,904.70/x
  3. Step 3: Cross multiply
    18,863.18x = 26,031.75 × 10,904.70
  4. Step 4: Simplify right side
    18,863.18x = 283,868,424.23
  5. Step 5: Solve for x
    x = 283,868,424.23/18,863.18
  6. Step 6: Final answer
    x = 15,048.81

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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.