Home / 9,669.90-13,343.64-5,363.11

Finding the Fourth Proportional to 9,669.90, 13,343.64 and 5,363.11

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Solution

The fourth proportional to 9,669.90, 13,343.64 and 5,363.11 is: 7,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.90 : 13,343.64 = 5,363.11 : x
  2. Step 2: Convert to fraction form
    9,669.90/13,343.64 = 5,363.11/x
  3. Step 3: Cross multiply
    9,669.90x = 13,343.64 × 5,363.11
  4. Step 4: Simplify right side
    9,669.90x = 71,563,409.12
  5. Step 5: Solve for x
    x = 71,563,409.12/9,669.90
  6. Step 6: Final answer
    x = 7,400.64

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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.