Home / 11,937.03-17,905.50-2,931.18

Finding the Fourth Proportional to 11,937.03, 17,905.50 and 2,931.18

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Solution

The fourth proportional to 11,937.03, 17,905.50 and 2,931.18 is: 4,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.03 : 17,905.50 = 2,931.18 : x
  2. Step 2: Convert to fraction form
    11,937.03/17,905.50 = 2,931.18/x
  3. Step 3: Cross multiply
    11,937.03x = 17,905.50 × 2,931.18
  4. Step 4: Simplify right side
    11,937.03x = 52,484,243.49
  5. Step 5: Solve for x
    x = 52,484,243.49/11,937.03
  6. Step 6: Final answer
    x = 4,396.76

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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.