Home / 11,354.45-15,669.51-7,104.16

Finding the Fourth Proportional to 11,354.45, 15,669.51 and 7,104.16

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Solution

The fourth proportional to 11,354.45, 15,669.51 and 7,104.16 is: 9,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.45 : 15,669.51 = 7,104.16 : x
  2. Step 2: Convert to fraction form
    11,354.45/15,669.51 = 7,104.16/x
  3. Step 3: Cross multiply
    11,354.45x = 15,669.51 × 7,104.16
  4. Step 4: Simplify right side
    11,354.45x = 111,318,627.81
  5. Step 5: Solve for x
    x = 111,318,627.81/11,354.45
  6. Step 6: Final answer
    x = 9,803.96

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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.