Home / 22,247.52-30,683.88-14,290.56

Finding the Fourth Proportional to 22,247.52, 30,683.88 and 14,290.56

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Solution

The fourth proportional to 22,247.52, 30,683.88 and 14,290.56 is: 19,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.52 : 30,683.88 = 14,290.56 : x
  2. Step 2: Convert to fraction form
    22,247.52/30,683.88 = 14,290.56/x
  3. Step 3: Cross multiply
    22,247.52x = 30,683.88 × 14,290.56
  4. Step 4: Simplify right side
    22,247.52x = 438,489,828.17
  5. Step 5: Solve for x
    x = 438,489,828.17/22,247.52
  6. Step 6: Final answer
    x = 19,709.60

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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.