Home / 18,963.10-26,168.97-10,349.29

Finding the Fourth Proportional to 18,963.10, 26,168.97 and 10,349.29

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Solution

The fourth proportional to 18,963.10, 26,168.97 and 10,349.29 is: 14,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963.10 : 26,168.97 = 10,349.29 : x
  2. Step 2: Convert to fraction form
    18,963.10/26,168.97 = 10,349.29/x
  3. Step 3: Cross multiply
    18,963.10x = 26,168.97 × 10,349.29
  4. Step 4: Simplify right side
    18,963.10x = 270,830,259.53
  5. Step 5: Solve for x
    x = 270,830,259.53/18,963.10
  6. Step 6: Final answer
    x = 14,281.96

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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.