Home / 18,308.19-27,458.64-5,157.03

Finding the Fourth Proportional to 18,308.19, 27,458.64 and 5,157.03

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Solution

The fourth proportional to 18,308.19, 27,458.64 and 5,157.03 is: 7,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.19 : 27,458.64 = 5,157.03 : x
  2. Step 2: Convert to fraction form
    18,308.19/27,458.64 = 5,157.03/x
  3. Step 3: Cross multiply
    18,308.19x = 27,458.64 × 5,157.03
  4. Step 4: Simplify right side
    18,308.19x = 141,605,030.24
  5. Step 5: Solve for x
    x = 141,605,030.24/18,308.19
  6. Step 6: Final answer
    x = 7,734.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.