Home / 9,933.40-13,700.10-8,735.80

Finding the Fourth Proportional to 9,933.40, 13,700.10 and 8,735.80

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Solution

The fourth proportional to 9,933.40, 13,700.10 and 8,735.80 is: 12,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933.40 : 13,700.10 = 8,735.80 : x
  2. Step 2: Convert to fraction form
    9,933.40/13,700.10 = 8,735.80/x
  3. Step 3: Cross multiply
    9,933.40x = 13,700.10 × 8,735.80
  4. Step 4: Simplify right side
    9,933.40x = 119,681,333.58
  5. Step 5: Solve for x
    x = 119,681,333.58/9,933.40
  6. Step 6: Final answer
    x = 12,048.38

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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.