Home / 14,436.93-21,655.36-5,665.71

Finding the Fourth Proportional to 14,436.93, 21,655.36 and 5,665.71

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Solution

The fourth proportional to 14,436.93, 21,655.36 and 5,665.71 is: 8,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.93 : 21,655.36 = 5,665.71 : x
  2. Step 2: Convert to fraction form
    14,436.93/21,655.36 = 5,665.71/x
  3. Step 3: Cross multiply
    14,436.93x = 21,655.36 × 5,665.71
  4. Step 4: Simplify right side
    14,436.93x = 122,692,961.38
  5. Step 5: Solve for x
    x = 122,692,961.38/14,436.93
  6. Step 6: Final answer
    x = 8,498.55

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1.5x scale

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.