Home / 15,281.51-22,914.70-5,419.31

Finding the Fourth Proportional to 15,281.51, 22,914.70 and 5,419.31

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Solution

The fourth proportional to 15,281.51, 22,914.70 and 5,419.31 is: 8,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,281.51 : 22,914.70 = 5,419.31 : x
  2. Step 2: Convert to fraction form
    15,281.51/22,914.70 = 5,419.31/x
  3. Step 3: Cross multiply
    15,281.51x = 22,914.70 × 5,419.31
  4. Step 4: Simplify right side
    15,281.51x = 124,181,734.74
  5. Step 5: Solve for x
    x = 124,181,734.74/15,281.51
  6. Step 6: Final answer
    x = 8,126.28

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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.