Home / 18,863.21-26,031.35-10,365.50

Finding the Fourth Proportional to 18,863.21, 26,031.35 and 10,365.50

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Solution

The fourth proportional to 18,863.21, 26,031.35 and 10,365.50 is: 14,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.21 : 26,031.35 = 10,365.50 : x
  2. Step 2: Convert to fraction form
    18,863.21/26,031.35 = 10,365.50/x
  3. Step 3: Cross multiply
    18,863.21x = 26,031.35 × 10,365.50
  4. Step 4: Simplify right side
    18,863.21x = 269,828,049.42
  5. Step 5: Solve for x
    x = 269,828,049.42/18,863.21
  6. Step 6: Final answer
    x = 14,304.46

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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.