Home / 15,352.56-21,187.62-9,066.96

Finding the Fourth Proportional to 15,352.56, 21,187.62 and 9,066.96

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Solution

The fourth proportional to 15,352.56, 21,187.62 and 9,066.96 is: 12,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.56 : 21,187.62 = 9,066.96 : x
  2. Step 2: Convert to fraction form
    15,352.56/21,187.62 = 9,066.96/x
  3. Step 3: Cross multiply
    15,352.56x = 21,187.62 × 9,066.96
  4. Step 4: Simplify right side
    15,352.56x = 192,107,303.04
  5. Step 5: Solve for x
    x = 192,107,303.04/15,352.56
  6. Step 6: Final answer
    x = 12,513.05

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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.