Home / 22,514.90-31,083.21-14,971.50

Finding the Fourth Proportional to 22,514.90, 31,083.21 and 14,971.50

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Solution

The fourth proportional to 22,514.90, 31,083.21 and 14,971.50 is: 20,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,514.90 : 31,083.21 = 14,971.50 : x
  2. Step 2: Convert to fraction form
    22,514.90/31,083.21 = 14,971.50/x
  3. Step 3: Cross multiply
    22,514.90x = 31,083.21 × 14,971.50
  4. Step 4: Simplify right side
    22,514.90x = 465,362,278.52
  5. Step 5: Solve for x
    x = 465,362,278.52/22,514.90
  6. Step 6: Final answer
    x = 20,669.08

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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.