Home / 15,341.65-21,171.35-8,627.14

Finding the Fourth Proportional to 15,341.65, 21,171.35 and 8,627.14

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Solution

The fourth proportional to 15,341.65, 21,171.35 and 8,627.14 is: 11,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341.65 : 21,171.35 = 8,627.14 : x
  2. Step 2: Convert to fraction form
    15,341.65/21,171.35 = 8,627.14/x
  3. Step 3: Cross multiply
    15,341.65x = 21,171.35 × 8,627.14
  4. Step 4: Simplify right side
    15,341.65x = 182,648,129.38
  5. Step 5: Solve for x
    x = 182,648,129.38/15,341.65
  6. Step 6: Final answer
    x = 11,905.37

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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.