Home / 18,795.28-25,937.88-10,411.80

Finding the Fourth Proportional to 18,795.28, 25,937.88 and 10,411.80

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Solution

The fourth proportional to 18,795.28, 25,937.88 and 10,411.80 is: 14,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.28 : 25,937.88 = 10,411.80 : x
  2. Step 2: Convert to fraction form
    18,795.28/25,937.88 = 10,411.80/x
  3. Step 3: Cross multiply
    18,795.28x = 25,937.88 × 10,411.80
  4. Step 4: Simplify right side
    18,795.28x = 270,060,018.98
  5. Step 5: Solve for x
    x = 270,060,018.98/18,795.28
  6. Step 6: Final answer
    x = 14,368.50

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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.