Home / 16,664.40-25,009.56-6,279.12

Finding the Fourth Proportional to 16,664.40, 25,009.56 and 6,279.12

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Solution

The fourth proportional to 16,664.40, 25,009.56 and 6,279.12 is: 9,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,664.40 : 25,009.56 = 6,279.12 : x
  2. Step 2: Convert to fraction form
    16,664.40/25,009.56 = 6,279.12/x
  3. Step 3: Cross multiply
    16,664.40x = 25,009.56 × 6,279.12
  4. Step 4: Simplify right side
    16,664.40x = 157,038,028.39
  5. Step 5: Solve for x
    x = 157,038,028.39/16,664.40
  6. Step 6: Final answer
    x = 9,423.56

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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.