Home / 14,071.86-21,115.08-10,208.16

Finding the Fourth Proportional to 14,071.86, 21,115.08 and 10,208.16

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Solution

The fourth proportional to 14,071.86, 21,115.08 and 10,208.16 is: 15,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.86 : 21,115.08 = 10,208.16 : x
  2. Step 2: Convert to fraction form
    14,071.86/21,115.08 = 10,208.16/x
  3. Step 3: Cross multiply
    14,071.86x = 21,115.08 × 10,208.16
  4. Step 4: Simplify right side
    14,071.86x = 215,546,115.05
  5. Step 5: Solve for x
    x = 215,546,115.05/14,071.86
  6. Step 6: Final answer
    x = 15,317.53

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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.