Home / 22,619.74-31,210.57-13,059.46

Finding the Fourth Proportional to 22,619.74, 31,210.57 and 13,059.46

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Solution

The fourth proportional to 22,619.74, 31,210.57 and 13,059.46 is: 18,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.74 : 31,210.57 = 13,059.46 : x
  2. Step 2: Convert to fraction form
    22,619.74/31,210.57 = 13,059.46/x
  3. Step 3: Cross multiply
    22,619.74x = 31,210.57 × 13,059.46
  4. Step 4: Simplify right side
    22,619.74x = 407,593,190.49
  5. Step 5: Solve for x
    x = 407,593,190.49/22,619.74
  6. Step 6: Final answer
    x = 18,019.36

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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.