Home / 30,247.72-45,371.66-9,187.93

Finding the Fourth Proportional to 30,247.72, 45,371.66 and 9,187.93

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Solution

The fourth proportional to 30,247.72, 45,371.66 and 9,187.93 is: 13,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.72 : 45,371.66 = 9,187.93 : x
  2. Step 2: Convert to fraction form
    30,247.72/45,371.66 = 9,187.93/x
  3. Step 3: Cross multiply
    30,247.72x = 45,371.66 × 9,187.93
  4. Step 4: Simplify right side
    30,247.72x = 416,871,636.06
  5. Step 5: Solve for x
    x = 416,871,636.06/30,247.72
  6. Step 6: Final answer
    x = 13,781.92

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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.