Home / 15,994.36-23,981.27-6,640.84

Finding the Fourth Proportional to 15,994.36, 23,981.27 and 6,640.84

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Solution

The fourth proportional to 15,994.36, 23,981.27 and 6,640.84 is: 9,956.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.36 : 23,981.27 = 6,640.84 : x
  2. Step 2: Convert to fraction form
    15,994.36/23,981.27 = 6,640.84/x
  3. Step 3: Cross multiply
    15,994.36x = 23,981.27 × 6,640.84
  4. Step 4: Simplify right side
    15,994.36x = 159,255,638.94
  5. Step 5: Solve for x
    x = 159,255,638.94/15,994.36
  6. Step 6: Final answer
    x = 9,956.99

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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.