Home / 15,090.24-20,825.63-8,377.14

Finding the Fourth Proportional to 15,090.24, 20,825.63 and 8,377.14

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Solution

The fourth proportional to 15,090.24, 20,825.63 and 8,377.14 is: 11,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.24 : 20,825.63 = 8,377.14 : x
  2. Step 2: Convert to fraction form
    15,090.24/20,825.63 = 8,377.14/x
  3. Step 3: Cross multiply
    15,090.24x = 20,825.63 × 8,377.14
  4. Step 4: Simplify right side
    15,090.24x = 174,459,218.10
  5. Step 5: Solve for x
    x = 174,459,218.10/15,090.24
  6. Step 6: Final answer
    x = 11,561.06

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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.