Home / 15,402.51-21,245.67-10,097.66

Finding the Fourth Proportional to 15,402.51, 21,245.67 and 10,097.66

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Solution

The fourth proportional to 15,402.51, 21,245.67 and 10,097.66 is: 13,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.51 : 21,245.67 = 10,097.66 : x
  2. Step 2: Convert to fraction form
    15,402.51/21,245.67 = 10,097.66/x
  3. Step 3: Cross multiply
    15,402.51x = 21,245.67 × 10,097.66
  4. Step 4: Simplify right side
    15,402.51x = 214,531,641.27
  5. Step 5: Solve for x
    x = 214,531,641.27/15,402.51
  6. Step 6: Final answer
    x = 13,928.36

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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.