Home / 14,458.29-19,952.60-8,490.03

Finding the Fourth Proportional to 14,458.29, 19,952.60 and 8,490.03

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Solution

The fourth proportional to 14,458.29, 19,952.60 and 8,490.03 is: 11,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.29 : 19,952.60 = 8,490.03 : x
  2. Step 2: Convert to fraction form
    14,458.29/19,952.60 = 8,490.03/x
  3. Step 3: Cross multiply
    14,458.29x = 19,952.60 × 8,490.03
  4. Step 4: Simplify right side
    14,458.29x = 169,398,172.58
  5. Step 5: Solve for x
    x = 169,398,172.58/14,458.29
  6. Step 6: Final answer
    x = 11,716.34

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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.