Home / 9,153.50-12,630.17-7,893.23

Finding the Fourth Proportional to 9,153.50, 12,630.17 and 7,893.23

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Solution

The fourth proportional to 9,153.50, 12,630.17 and 7,893.23 is: 10,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.50 : 12,630.17 = 7,893.23 : x
  2. Step 2: Convert to fraction form
    9,153.50/12,630.17 = 7,893.23/x
  3. Step 3: Cross multiply
    9,153.50x = 12,630.17 × 7,893.23
  4. Step 4: Simplify right side
    9,153.50x = 99,692,734.13
  5. Step 5: Solve for x
    x = 99,692,734.13/9,153.50
  6. Step 6: Final answer
    x = 10,891.22

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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.