Home / 18,943.18-26,141.65-10,329.30

Finding the Fourth Proportional to 18,943.18, 26,141.65 and 10,329.30

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Solution

The fourth proportional to 18,943.18, 26,141.65 and 10,329.30 is: 14,254.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.18 : 26,141.65 = 10,329.30 : x
  2. Step 2: Convert to fraction form
    18,943.18/26,141.65 = 10,329.30/x
  3. Step 3: Cross multiply
    18,943.18x = 26,141.65 × 10,329.30
  4. Step 4: Simplify right side
    18,943.18x = 270,024,945.35
  5. Step 5: Solve for x
    x = 270,024,945.35/18,943.18
  6. Step 6: Final answer
    x = 14,254.47

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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.