Home / 9,699.35-13,390.16-6,529.32

Finding the Fourth Proportional to 9,699.35, 13,390.16 and 6,529.32

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Solution

The fourth proportional to 9,699.35, 13,390.16 and 6,529.32 is: 9,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.35 : 13,390.16 = 6,529.32 : x
  2. Step 2: Convert to fraction form
    9,699.35/13,390.16 = 6,529.32/x
  3. Step 3: Cross multiply
    9,699.35x = 13,390.16 × 6,529.32
  4. Step 4: Simplify right side
    9,699.35x = 87,428,606.84
  5. Step 5: Solve for x
    x = 87,428,606.84/9,699.35
  6. Step 6: Final answer
    x = 9,013.87

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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.