Home / 15,552.43-21,462.79-9,503.66

Finding the Fourth Proportional to 15,552.43, 21,462.79 and 9,503.66

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Solution

The fourth proportional to 15,552.43, 21,462.79 and 9,503.66 is: 13,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.43 : 21,462.79 = 9,503.66 : x
  2. Step 2: Convert to fraction form
    15,552.43/21,462.79 = 9,503.66/x
  3. Step 3: Cross multiply
    15,552.43x = 21,462.79 × 9,503.66
  4. Step 4: Simplify right side
    15,552.43x = 203,975,058.81
  5. Step 5: Solve for x
    x = 203,975,058.81/15,552.43
  6. Step 6: Final answer
    x = 13,115.32

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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.