Home / 11,354.08-15,668.48-6,386.08

Finding the Fourth Proportional to 11,354.08, 15,668.48 and 6,386.08

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Solution

The fourth proportional to 11,354.08, 15,668.48 and 6,386.08 is: 8,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.08 : 15,668.48 = 6,386.08 : x
  2. Step 2: Convert to fraction form
    11,354.08/15,668.48 = 6,386.08/x
  3. Step 3: Cross multiply
    11,354.08x = 15,668.48 × 6,386.08
  4. Step 4: Simplify right side
    11,354.08x = 100,060,166.76
  5. Step 5: Solve for x
    x = 100,060,166.76/11,354.08
  6. Step 6: Final answer
    x = 8,812.71

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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.