Home / 9,333.42-13,931.85-8,226.29

Finding the Fourth Proportional to 9,333.42, 13,931.85 and 8,226.29

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Solution

The fourth proportional to 9,333.42, 13,931.85 and 8,226.29 is: 12,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.42 : 13,931.85 = 8,226.29 : x
  2. Step 2: Convert to fraction form
    9,333.42/13,931.85 = 8,226.29/x
  3. Step 3: Cross multiply
    9,333.42x = 13,931.85 × 8,226.29
  4. Step 4: Simplify right side
    9,333.42x = 114,607,368.68
  5. Step 5: Solve for x
    x = 114,607,368.68/9,333.42
  6. Step 6: Final answer
    x = 12,279.25

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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.