Home / 9,306.12-13,940.58-5,606.40

Finding the Fourth Proportional to 9,306.12, 13,940.58 and 5,606.40

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Solution

The fourth proportional to 9,306.12, 13,940.58 and 5,606.40 is: 8,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.12 : 13,940.58 = 5,606.40 : x
  2. Step 2: Convert to fraction form
    9,306.12/13,940.58 = 5,606.40/x
  3. Step 3: Cross multiply
    9,306.12x = 13,940.58 × 5,606.40
  4. Step 4: Simplify right side
    9,306.12x = 78,156,467.71
  5. Step 5: Solve for x
    x = 78,156,467.71/9,306.12
  6. Step 6: Final answer
    x = 8,398.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.