Home / 11,835.36-16,331.04-6,530.40

Finding the Fourth Proportional to 11,835.36, 16,331.04 and 6,530.40

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Solution

The fourth proportional to 11,835.36, 16,331.04 and 6,530.40 is: 9,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.36 : 16,331.04 = 6,530.40 : x
  2. Step 2: Convert to fraction form
    11,835.36/16,331.04 = 6,530.40/x
  3. Step 3: Cross multiply
    11,835.36x = 16,331.04 × 6,530.40
  4. Step 4: Simplify right side
    11,835.36x = 106,648,223.62
  5. Step 5: Solve for x
    x = 106,648,223.62/11,835.36
  6. Step 6: Final answer
    x = 9,010.98

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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.