Home / 18,862.72-26,032.53-10,479.22

Finding the Fourth Proportional to 18,862.72, 26,032.53 and 10,479.22

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Solution

The fourth proportional to 18,862.72, 26,032.53 and 10,479.22 is: 14,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.72 : 26,032.53 = 10,479.22 : x
  2. Step 2: Convert to fraction form
    18,862.72/26,032.53 = 10,479.22/x
  3. Step 3: Cross multiply
    18,862.72x = 26,032.53 × 10,479.22
  4. Step 4: Simplify right side
    18,862.72x = 272,800,609.03
  5. Step 5: Solve for x
    x = 272,800,609.03/18,862.72
  6. Step 6: Final answer
    x = 14,462.42

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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.