Home / 14,436.13-19,921.48-8,148.46

Finding the Fourth Proportional to 14,436.13, 19,921.48 and 8,148.46

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Solution

The fourth proportional to 14,436.13, 19,921.48 and 8,148.46 is: 11,244.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.13 : 19,921.48 = 8,148.46 : x
  2. Step 2: Convert to fraction form
    14,436.13/19,921.48 = 8,148.46/x
  3. Step 3: Cross multiply
    14,436.13x = 19,921.48 × 8,148.46
  4. Step 4: Simplify right side
    14,436.13x = 162,329,382.92
  5. Step 5: Solve for x
    x = 162,329,382.92/14,436.13
  6. Step 6: Final answer
    x = 11,244.66

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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.