Home / 22,270.08-30,746.88-13,898.88

Finding the Fourth Proportional to 22,270.08, 30,746.88 and 13,898.88

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Solution

The fourth proportional to 22,270.08, 30,746.88 and 13,898.88 is: 19,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.08 : 30,746.88 = 13,898.88 : x
  2. Step 2: Convert to fraction form
    22,270.08/30,746.88 = 13,898.88/x
  3. Step 3: Cross multiply
    22,270.08x = 30,746.88 × 13,898.88
  4. Step 4: Simplify right side
    22,270.08x = 427,347,195.49
  5. Step 5: Solve for x
    x = 427,347,195.49/22,270.08
  6. Step 6: Final answer
    x = 19,189.30

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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.