Home / 9,700.12-13,391.28-6,530.09

Finding the Fourth Proportional to 9,700.12, 13,391.28 and 6,530.09

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Solution

The fourth proportional to 9,700.12, 13,391.28 and 6,530.09 is: 9,014.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,700.12 : 13,391.28 = 6,530.09 : x
  2. Step 2: Convert to fraction form
    9,700.12/13,391.28 = 6,530.09/x
  3. Step 3: Cross multiply
    9,700.12x = 13,391.28 × 6,530.09
  4. Step 4: Simplify right side
    9,700.12x = 87,446,230.14
  5. Step 5: Solve for x
    x = 87,446,230.14/9,700.12
  6. Step 6: Final answer
    x = 9,014.96

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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.