Home / 11,835.16-16,332.40-6,530

Finding the Fourth Proportional to 11,835.16, 16,332.40 and 6,530

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Solution

The fourth proportional to 11,835.16, 16,332.40 and 6,530 is: 9,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.16 : 16,332.40 = 6,530 : x
  2. Step 2: Convert to fraction form
    11,835.16/16,332.40 = 6,530/x
  3. Step 3: Cross multiply
    11,835.16x = 16,332.40 × 6,530
  4. Step 4: Simplify right side
    11,835.16x = 106,650,572
  5. Step 5: Solve for x
    x = 106,650,572/11,835.16
  6. Step 6: Final answer
    x = 9,011.33

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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.