Home / 11,210.54-15,465.21-7,229.66

Finding the Fourth Proportional to 11,210.54, 15,465.21 and 7,229.66

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Solution

The fourth proportional to 11,210.54, 15,465.21 and 7,229.66 is: 9,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.54 : 15,465.21 = 7,229.66 : x
  2. Step 2: Convert to fraction form
    11,210.54/15,465.21 = 7,229.66/x
  3. Step 3: Cross multiply
    11,210.54x = 15,465.21 × 7,229.66
  4. Step 4: Simplify right side
    11,210.54x = 111,808,210.13
  5. Step 5: Solve for x
    x = 111,808,210.13/11,210.54
  6. Step 6: Final answer
    x = 9,973.49

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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.