Home / 12,909.36-19,364.06-4,589.36

Finding the Fourth Proportional to 12,909.36, 19,364.06 and 4,589.36

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Solution

The fourth proportional to 12,909.36, 19,364.06 and 4,589.36 is: 6,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909.36 : 19,364.06 = 4,589.36 : x
  2. Step 2: Convert to fraction form
    12,909.36/19,364.06 = 4,589.36/x
  3. Step 3: Cross multiply
    12,909.36x = 19,364.06 × 4,589.36
  4. Step 4: Simplify right side
    12,909.36x = 88,868,642.40
  5. Step 5: Solve for x
    x = 88,868,642.40/12,909.36
  6. Step 6: Final answer
    x = 6,884.05

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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.