Home / 11,835.47-16,332.68-6,530.29

Finding the Fourth Proportional to 11,835.47, 16,332.68 and 6,530.29

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Solution

The fourth proportional to 11,835.47, 16,332.68 and 6,530.29 is: 9,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.47 : 16,332.68 = 6,530.29 : x
  2. Step 2: Convert to fraction form
    11,835.47/16,332.68 = 6,530.29/x
  3. Step 3: Cross multiply
    11,835.47x = 16,332.68 × 6,530.29
  4. Step 4: Simplify right side
    11,835.47x = 106,657,136.88
  5. Step 5: Solve for x
    x = 106,657,136.88/11,835.47
  6. Step 6: Final answer
    x = 9,011.65

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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.