Home / 20,860.48-31,264.44-14,906.35

Finding the Fourth Proportional to 20,860.48, 31,264.44 and 14,906.35

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Solution

The fourth proportional to 20,860.48, 31,264.44 and 14,906.35 is: 22,340.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,860.48 : 31,264.44 = 14,906.35 : x
  2. Step 2: Convert to fraction form
    20,860.48/31,264.44 = 14,906.35/x
  3. Step 3: Cross multiply
    20,860.48x = 31,264.44 × 14,906.35
  4. Step 4: Simplify right side
    20,860.48x = 466,038,685.19
  5. Step 5: Solve for x
    x = 466,038,685.19/20,860.48
  6. Step 6: Final answer
    x = 22,340.75

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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.