Home / 18,158.30-25,055.28-10,090.67

Finding the Fourth Proportional to 18,158.30, 25,055.28 and 10,090.67

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Solution

The fourth proportional to 18,158.30, 25,055.28 and 10,090.67 is: 13,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.30 : 25,055.28 = 10,090.67 : x
  2. Step 2: Convert to fraction form
    18,158.30/25,055.28 = 10,090.67/x
  3. Step 3: Cross multiply
    18,158.30x = 25,055.28 × 10,090.67
  4. Step 4: Simplify right side
    18,158.30x = 252,824,562.24
  5. Step 5: Solve for x
    x = 252,824,562.24/18,158.30
  6. Step 6: Final answer
    x = 13,923.36

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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.