Home / 15,219.81-22,834.37-7,220.75

Finding the Fourth Proportional to 15,219.81, 22,834.37 and 7,220.75

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Solution

The fourth proportional to 15,219.81, 22,834.37 and 7,220.75 is: 10,833.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.81 : 22,834.37 = 7,220.75 : x
  2. Step 2: Convert to fraction form
    15,219.81/22,834.37 = 7,220.75/x
  3. Step 3: Cross multiply
    15,219.81x = 22,834.37 × 7,220.75
  4. Step 4: Simplify right side
    15,219.81x = 164,881,277.18
  5. Step 5: Solve for x
    x = 164,881,277.18/15,219.81
  6. Step 6: Final answer
    x = 10,833.33

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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.