Home / 9,798.12-13,518.66-9,305.64

Finding the Fourth Proportional to 9,798.12, 13,518.66 and 9,305.64

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Solution

The fourth proportional to 9,798.12, 13,518.66 and 9,305.64 is: 12,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.12 : 13,518.66 = 9,305.64 : x
  2. Step 2: Convert to fraction form
    9,798.12/13,518.66 = 9,305.64/x
  3. Step 3: Cross multiply
    9,798.12x = 13,518.66 × 9,305.64
  4. Step 4: Simplify right side
    9,798.12x = 125,799,783.24
  5. Step 5: Solve for x
    x = 125,799,783.24/9,798.12
  6. Step 6: Final answer
    x = 12,839.18

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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.