Home / 20,862.94-31,291.53-7,010.14

Finding the Fourth Proportional to 20,862.94, 31,291.53 and 7,010.14

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Solution

The fourth proportional to 20,862.94, 31,291.53 and 7,010.14 is: 10,514.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862.94 : 31,291.53 = 7,010.14 : x
  2. Step 2: Convert to fraction form
    20,862.94/31,291.53 = 7,010.14/x
  3. Step 3: Cross multiply
    20,862.94x = 31,291.53 × 7,010.14
  4. Step 4: Simplify right side
    20,862.94x = 219,358,006.11
  5. Step 5: Solve for x
    x = 219,358,006.11/20,862.94
  6. Step 6: Final answer
    x = 10,514.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.