Home / 22,370.02-30,869.83-13,412.23

Finding the Fourth Proportional to 22,370.02, 30,869.83 and 13,412.23

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Solution

The fourth proportional to 22,370.02, 30,869.83 and 13,412.23 is: 18,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.02 : 30,869.83 = 13,412.23 : x
  2. Step 2: Convert to fraction form
    22,370.02/30,869.83 = 13,412.23/x
  3. Step 3: Cross multiply
    22,370.02x = 30,869.83 × 13,412.23
  4. Step 4: Simplify right side
    22,370.02x = 414,033,260.02
  5. Step 5: Solve for x
    x = 414,033,260.02/22,370.02
  6. Step 6: Final answer
    x = 18,508.40

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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.