Home / 15,448.05-21,322.44-9,482.13

Finding the Fourth Proportional to 15,448.05, 21,322.44 and 9,482.13

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Solution

The fourth proportional to 15,448.05, 21,322.44 and 9,482.13 is: 13,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.05 : 21,322.44 = 9,482.13 : x
  2. Step 2: Convert to fraction form
    15,448.05/21,322.44 = 9,482.13/x
  3. Step 3: Cross multiply
    15,448.05x = 21,322.44 × 9,482.13
  4. Step 4: Simplify right side
    15,448.05x = 202,182,148.00
  5. Step 5: Solve for x
    x = 202,182,148.00/15,448.05
  6. Step 6: Final answer
    x = 13,087.88

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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.