Home / 13,345.64-20,016.18-4,460.16

Finding the Fourth Proportional to 13,345.64, 20,016.18 and 4,460.16

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Solution

The fourth proportional to 13,345.64, 20,016.18 and 4,460.16 is: 6,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.64 : 20,016.18 = 4,460.16 : x
  2. Step 2: Convert to fraction form
    13,345.64/20,016.18 = 4,460.16/x
  3. Step 3: Cross multiply
    13,345.64x = 20,016.18 × 4,460.16
  4. Step 4: Simplify right side
    13,345.64x = 89,275,365.39
  5. Step 5: Solve for x
    x = 89,275,365.39/13,345.64
  6. Step 6: Final answer
    x = 6,689.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.