Home / 20,854.54-31,203.32-14,626.70

Finding the Fourth Proportional to 20,854.54, 31,203.32 and 14,626.70

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Solution

The fourth proportional to 20,854.54, 31,203.32 and 14,626.70 is: 21,885.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854.54 : 31,203.32 = 14,626.70 : x
  2. Step 2: Convert to fraction form
    20,854.54/31,203.32 = 14,626.70/x
  3. Step 3: Cross multiply
    20,854.54x = 31,203.32 × 14,626.70
  4. Step 4: Simplify right side
    20,854.54x = 456,401,600.64
  5. Step 5: Solve for x
    x = 456,401,600.64/20,854.54
  6. Step 6: Final answer
    x = 21,885.00

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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.