Home / 8,946.24-12,317.28-7,371.84

Finding the Fourth Proportional to 8,946.24, 12,317.28 and 7,371.84

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Solution

The fourth proportional to 8,946.24, 12,317.28 and 7,371.84 is: 10,149.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.24 : 12,317.28 = 7,371.84 : x
  2. Step 2: Convert to fraction form
    8,946.24/12,317.28 = 7,371.84/x
  3. Step 3: Cross multiply
    8,946.24x = 12,317.28 × 7,371.84
  4. Step 4: Simplify right side
    8,946.24x = 90,801,017.40
  5. Step 5: Solve for x
    x = 90,801,017.40/8,946.24
  6. Step 6: Final answer
    x = 10,149.63

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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.