Home / 18,146.28-25,041.06-10,188.36

Finding the Fourth Proportional to 18,146.28, 25,041.06 and 10,188.36

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Solution

The fourth proportional to 18,146.28, 25,041.06 and 10,188.36 is: 14,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.28 : 25,041.06 = 10,188.36 : x
  2. Step 2: Convert to fraction form
    18,146.28/25,041.06 = 10,188.36/x
  3. Step 3: Cross multiply
    18,146.28x = 25,041.06 × 10,188.36
  4. Step 4: Simplify right side
    18,146.28x = 255,127,334.06
  5. Step 5: Solve for x
    x = 255,127,334.06/18,146.28
  6. Step 6: Final answer
    x = 14,059.48

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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.