Home / 12,859.12-19,299.63-5,073.40

Finding the Fourth Proportional to 12,859.12, 19,299.63 and 5,073.40

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Solution

The fourth proportional to 12,859.12, 19,299.63 and 5,073.40 is: 7,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.12 : 19,299.63 = 5,073.40 : x
  2. Step 2: Convert to fraction form
    12,859.12/19,299.63 = 5,073.40/x
  3. Step 3: Cross multiply
    12,859.12x = 19,299.63 × 5,073.40
  4. Step 4: Simplify right side
    12,859.12x = 97,914,742.84
  5. Step 5: Solve for x
    x = 97,914,742.84/12,859.12
  6. Step 6: Final answer
    x = 7,614.42

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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.