Home / 22,643.07-31,244.08-12,571.59

Finding the Fourth Proportional to 22,643.07, 31,244.08 and 12,571.59

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Solution

The fourth proportional to 22,643.07, 31,244.08 and 12,571.59 is: 17,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.07 : 31,244.08 = 12,571.59 : x
  2. Step 2: Convert to fraction form
    22,643.07/31,244.08 = 12,571.59/x
  3. Step 3: Cross multiply
    22,643.07x = 31,244.08 × 12,571.59
  4. Step 4: Simplify right side
    22,643.07x = 392,787,763.69
  5. Step 5: Solve for x
    x = 392,787,763.69/22,643.07
  6. Step 6: Final answer
    x = 17,346.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.