Home / 12,858.94-19,295.69-5,073.22

Finding the Fourth Proportional to 12,858.94, 19,295.69 and 5,073.22

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Solution

The fourth proportional to 12,858.94, 19,295.69 and 5,073.22 is: 7,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.94 : 19,295.69 = 5,073.22 : x
  2. Step 2: Convert to fraction form
    12,858.94/19,295.69 = 5,073.22/x
  3. Step 3: Cross multiply
    12,858.94x = 19,295.69 × 5,073.22
  4. Step 4: Simplify right side
    12,858.94x = 97,891,158.58
  5. Step 5: Solve for x
    x = 97,891,158.58/12,858.94
  6. Step 6: Final answer
    x = 7,612.70

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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.