Home / 9,603.51-13,245.16-6,618.66

Finding the Fourth Proportional to 9,603.51, 13,245.16 and 6,618.66

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Solution

The fourth proportional to 9,603.51, 13,245.16 and 6,618.66 is: 9,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.51 : 13,245.16 = 6,618.66 : x
  2. Step 2: Convert to fraction form
    9,603.51/13,245.16 = 6,618.66/x
  3. Step 3: Cross multiply
    9,603.51x = 13,245.16 × 6,618.66
  4. Step 4: Simplify right side
    9,603.51x = 87,665,210.69
  5. Step 5: Solve for x
    x = 87,665,210.69/9,603.51
  6. Step 6: Final answer
    x = 9,128.46

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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.