Home / 18,756.28-25,884.12-10,259.20

Finding the Fourth Proportional to 18,756.28, 25,884.12 and 10,259.20

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Solution

The fourth proportional to 18,756.28, 25,884.12 and 10,259.20 is: 14,157.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.28 : 25,884.12 = 10,259.20 : x
  2. Step 2: Convert to fraction form
    18,756.28/25,884.12 = 10,259.20/x
  3. Step 3: Cross multiply
    18,756.28x = 25,884.12 × 10,259.20
  4. Step 4: Simplify right side
    18,756.28x = 265,550,363.90
  5. Step 5: Solve for x
    x = 265,550,363.90/18,756.28
  6. Step 6: Final answer
    x = 14,157.94

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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.