Home / 15,392.92-21,236.24-8,677.01

Finding the Fourth Proportional to 15,392.92, 21,236.24 and 8,677.01

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Solution

The fourth proportional to 15,392.92, 21,236.24 and 8,677.01 is: 11,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392.92 : 21,236.24 = 8,677.01 : x
  2. Step 2: Convert to fraction form
    15,392.92/21,236.24 = 8,677.01/x
  3. Step 3: Cross multiply
    15,392.92x = 21,236.24 × 8,677.01
  4. Step 4: Simplify right side
    15,392.92x = 184,267,066.84
  5. Step 5: Solve for x
    x = 184,267,066.84/15,392.92
  6. Step 6: Final answer
    x = 11,970.90

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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.