Home / 13,039.79-19,562.72-4,274.17

Finding the Fourth Proportional to 13,039.79, 19,562.72 and 4,274.17

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Solution

The fourth proportional to 13,039.79, 19,562.72 and 4,274.17 is: 6,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.79 : 19,562.72 = 4,274.17 : x
  2. Step 2: Convert to fraction form
    13,039.79/19,562.72 = 4,274.17/x
  3. Step 3: Cross multiply
    13,039.79x = 19,562.72 × 4,274.17
  4. Step 4: Simplify right side
    13,039.79x = 83,614,320.66
  5. Step 5: Solve for x
    x = 83,614,320.66/13,039.79
  6. Step 6: Final answer
    x = 6,412.25

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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.