Home / 11,890.08-16,407.36-6,585.12

Finding the Fourth Proportional to 11,890.08, 16,407.36 and 6,585.12

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Solution

The fourth proportional to 11,890.08, 16,407.36 and 6,585.12 is: 9,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.08 : 16,407.36 = 6,585.12 : x
  2. Step 2: Convert to fraction form
    11,890.08/16,407.36 = 6,585.12/x
  3. Step 3: Cross multiply
    11,890.08x = 16,407.36 × 6,585.12
  4. Step 4: Simplify right side
    11,890.08x = 108,044,434.48
  5. Step 5: Solve for x
    x = 108,044,434.48/11,890.08
  6. Step 6: Final answer
    x = 9,086.94

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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.