Home / 10,400.07-14,364-7,580.10

Finding the Fourth Proportional to 10,400.07, 14,364 and 7,580.10

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Solution

The fourth proportional to 10,400.07, 14,364 and 7,580.10 is: 10,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.07 : 14,364 = 7,580.10 : x
  2. Step 2: Convert to fraction form
    10,400.07/14,364 = 7,580.10/x
  3. Step 3: Cross multiply
    10,400.07x = 14,364 × 7,580.10
  4. Step 4: Simplify right side
    10,400.07x = 108,880,556.40
  5. Step 5: Solve for x
    x = 108,880,556.40/10,400.07
  6. Step 6: Final answer
    x = 10,469.21

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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.