Home / 9,868.33-14,730.50-8,622.75

Finding the Fourth Proportional to 9,868.33, 14,730.50 and 8,622.75

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Solution

The fourth proportional to 9,868.33, 14,730.50 and 8,622.75 is: 12,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.33 : 14,730.50 = 8,622.75 : x
  2. Step 2: Convert to fraction form
    9,868.33/14,730.50 = 8,622.75/x
  3. Step 3: Cross multiply
    9,868.33x = 14,730.50 × 8,622.75
  4. Step 4: Simplify right side
    9,868.33x = 127,017,418.88
  5. Step 5: Solve for x
    x = 127,017,418.88/9,868.33
  6. Step 6: Final answer
    x = 12,871.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.