Home / 12,943.77-19,410.73-4,622.23

Finding the Fourth Proportional to 12,943.77, 19,410.73 and 4,622.23

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Solution

The fourth proportional to 12,943.77, 19,410.73 and 4,622.23 is: 6,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.77 : 19,410.73 = 4,622.23 : x
  2. Step 2: Convert to fraction form
    12,943.77/19,410.73 = 4,622.23/x
  3. Step 3: Cross multiply
    12,943.77x = 19,410.73 × 4,622.23
  4. Step 4: Simplify right side
    12,943.77x = 89,720,858.53
  5. Step 5: Solve for x
    x = 89,720,858.53/12,943.77
  6. Step 6: Final answer
    x = 6,931.59

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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.