Home / 12,891.36-19,333.50-4,570.26

Finding the Fourth Proportional to 12,891.36, 19,333.50 and 4,570.26

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Solution

The fourth proportional to 12,891.36, 19,333.50 and 4,570.26 is: 6,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,891.36 : 19,333.50 = 4,570.26 : x
  2. Step 2: Convert to fraction form
    12,891.36/19,333.50 = 4,570.26/x
  3. Step 3: Cross multiply
    12,891.36x = 19,333.50 × 4,570.26
  4. Step 4: Simplify right side
    12,891.36x = 88,359,121.71
  5. Step 5: Solve for x
    x = 88,359,121.71/12,891.36
  6. Step 6: Final answer
    x = 6,854.13

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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.