Home / 11,117.64-16,668.30-5,267.40

Finding the Fourth Proportional to 11,117.64, 16,668.30 and 5,267.40

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Solution

The fourth proportional to 11,117.64, 16,668.30 and 5,267.40 is: 7,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.64 : 16,668.30 = 5,267.40 : x
  2. Step 2: Convert to fraction form
    11,117.64/16,668.30 = 5,267.40/x
  3. Step 3: Cross multiply
    11,117.64x = 16,668.30 × 5,267.40
  4. Step 4: Simplify right side
    11,117.64x = 87,798,603.42
  5. Step 5: Solve for x
    x = 87,798,603.42/11,117.64
  6. Step 6: Final answer
    x = 7,897.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.