Home / 9,904.05-13,669.20-5,655.15

Finding the Fourth Proportional to 9,904.05, 13,669.20 and 5,655.15

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Solution

The fourth proportional to 9,904.05, 13,669.20 and 5,655.15 is: 7,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904.05 : 13,669.20 = 5,655.15 : x
  2. Step 2: Convert to fraction form
    9,904.05/13,669.20 = 5,655.15/x
  3. Step 3: Cross multiply
    9,904.05x = 13,669.20 × 5,655.15
  4. Step 4: Simplify right side
    9,904.05x = 77,301,376.38
  5. Step 5: Solve for x
    x = 77,301,376.38/9,904.05
  6. Step 6: Final answer
    x = 7,805.03

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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.