Home / 18,747.08-25,869.30-10,363.40

Finding the Fourth Proportional to 18,747.08, 25,869.30 and 10,363.40

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Solution

The fourth proportional to 18,747.08, 25,869.30 and 10,363.40 is: 14,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.08 : 25,869.30 = 10,363.40 : x
  2. Step 2: Convert to fraction form
    18,747.08/25,869.30 = 10,363.40/x
  3. Step 3: Cross multiply
    18,747.08x = 25,869.30 × 10,363.40
  4. Step 4: Simplify right side
    18,747.08x = 268,093,903.62
  5. Step 5: Solve for x
    x = 268,093,903.62/18,747.08
  6. Step 6: Final answer
    x = 14,300.57

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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.