Home / 10,768.51-16,138.08-5,210.76

Finding the Fourth Proportional to 10,768.51, 16,138.08 and 5,210.76

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Solution

The fourth proportional to 10,768.51, 16,138.08 and 5,210.76 is: 7,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.51 : 16,138.08 = 5,210.76 : x
  2. Step 2: Convert to fraction form
    10,768.51/16,138.08 = 5,210.76/x
  3. Step 3: Cross multiply
    10,768.51x = 16,138.08 × 5,210.76
  4. Step 4: Simplify right side
    10,768.51x = 84,091,635.69
  5. Step 5: Solve for x
    x = 84,091,635.69/10,768.51
  6. Step 6: Final answer
    x = 7,809.04

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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.