Home / 9,428.32-13,015.96-6,646.24

Finding the Fourth Proportional to 9,428.32, 13,015.96 and 6,646.24

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Solution

The fourth proportional to 9,428.32, 13,015.96 and 6,646.24 is: 9,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.32 : 13,015.96 = 6,646.24 : x
  2. Step 2: Convert to fraction form
    9,428.32/13,015.96 = 6,646.24/x
  3. Step 3: Cross multiply
    9,428.32x = 13,015.96 × 6,646.24
  4. Step 4: Simplify right side
    9,428.32x = 86,507,193.99
  5. Step 5: Solve for x
    x = 86,507,193.99/9,428.32
  6. Step 6: Final answer
    x = 9,175.25

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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.