Home / 30,174.06-45,250.29-10,447.32

Finding the Fourth Proportional to 30,174.06, 45,250.29 and 10,447.32

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Solution

The fourth proportional to 30,174.06, 45,250.29 and 10,447.32 is: 15,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.06 : 45,250.29 = 10,447.32 : x
  2. Step 2: Convert to fraction form
    30,174.06/45,250.29 = 10,447.32/x
  3. Step 3: Cross multiply
    30,174.06x = 45,250.29 × 10,447.32
  4. Step 4: Simplify right side
    30,174.06x = 472,744,259.72
  5. Step 5: Solve for x
    x = 472,744,259.72/30,174.06
  6. Step 6: Final answer
    x = 15,667.24

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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.