Home / 15,665.03-21,614.24-8,948.51

Finding the Fourth Proportional to 15,665.03, 21,614.24 and 8,948.51

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Solution

The fourth proportional to 15,665.03, 21,614.24 and 8,948.51 is: 12,346.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,665.03 : 21,614.24 = 8,948.51 : x
  2. Step 2: Convert to fraction form
    15,665.03/21,614.24 = 8,948.51/x
  3. Step 3: Cross multiply
    15,665.03x = 21,614.24 × 8,948.51
  4. Step 4: Simplify right side
    15,665.03x = 193,415,242.78
  5. Step 5: Solve for x
    x = 193,415,242.78/15,665.03
  6. Step 6: Final answer
    x = 12,346.94

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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.