Home / 9,449.36-13,026.60-6,646.16

Finding the Fourth Proportional to 9,449.36, 13,026.60 and 6,646.16

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Solution

The fourth proportional to 9,449.36, 13,026.60 and 6,646.16 is: 9,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,449.36 : 13,026.60 = 6,646.16 : x
  2. Step 2: Convert to fraction form
    9,449.36/13,026.60 = 6,646.16/x
  3. Step 3: Cross multiply
    9,449.36x = 13,026.60 × 6,646.16
  4. Step 4: Simplify right side
    9,449.36x = 86,576,867.86
  5. Step 5: Solve for x
    x = 86,576,867.86/9,449.36
  6. Step 6: Final answer
    x = 9,162.19

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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.