Home / 12,816.84-19,236.06-5,031.12

Finding the Fourth Proportional to 12,816.84, 19,236.06 and 5,031.12

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Solution

The fourth proportional to 12,816.84, 19,236.06 and 5,031.12 is: 7,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.84 : 19,236.06 = 5,031.12 : x
  2. Step 2: Convert to fraction form
    12,816.84/19,236.06 = 5,031.12/x
  3. Step 3: Cross multiply
    12,816.84x = 19,236.06 × 5,031.12
  4. Step 4: Simplify right side
    12,816.84x = 96,778,926.19
  5. Step 5: Solve for x
    x = 96,778,926.19/12,816.84
  6. Step 6: Final answer
    x = 7,550.92

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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.