Home / 15,246.39-21,016.74-10,995.51

Finding the Fourth Proportional to 15,246.39, 21,016.74 and 10,995.51

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Solution

The fourth proportional to 15,246.39, 21,016.74 and 10,995.51 is: 15,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246.39 : 21,016.74 = 10,995.51 : x
  2. Step 2: Convert to fraction form
    15,246.39/21,016.74 = 10,995.51/x
  3. Step 3: Cross multiply
    15,246.39x = 21,016.74 × 10,995.51
  4. Step 4: Simplify right side
    15,246.39x = 231,089,774.84
  5. Step 5: Solve for x
    x = 231,089,774.84/15,246.39
  6. Step 6: Final answer
    x = 15,157.02

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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.