Home / 10,440.11-15,668.89-9,783.27

Finding the Fourth Proportional to 10,440.11, 15,668.89 and 9,783.27

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Solution

The fourth proportional to 10,440.11, 15,668.89 and 9,783.27 is: 14,683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.11 : 15,668.89 = 9,783.27 : x
  2. Step 2: Convert to fraction form
    10,440.11/15,668.89 = 9,783.27/x
  3. Step 3: Cross multiply
    10,440.11x = 15,668.89 × 9,783.27
  4. Step 4: Simplify right side
    10,440.11x = 153,292,981.47
  5. Step 5: Solve for x
    x = 153,292,981.47/10,440.11
  6. Step 6: Final answer
    x = 14,683.08

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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.