Home / 18,736.84-25,856.76-10,353.40

Finding the Fourth Proportional to 18,736.84, 25,856.76 and 10,353.40

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Solution

The fourth proportional to 18,736.84, 25,856.76 and 10,353.40 is: 14,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.84 : 25,856.76 = 10,353.40 : x
  2. Step 2: Convert to fraction form
    18,736.84/25,856.76 = 10,353.40/x
  3. Step 3: Cross multiply
    18,736.84x = 25,856.76 × 10,353.40
  4. Step 4: Simplify right side
    18,736.84x = 267,705,378.98
  5. Step 5: Solve for x
    x = 267,705,378.98/18,736.84
  6. Step 6: Final answer
    x = 14,287.65

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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.