Home / 21,269.51-31,904.27-5,686.73

Finding the Fourth Proportional to 21,269.51, 31,904.27 and 5,686.73

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Solution

The fourth proportional to 21,269.51, 31,904.27 and 5,686.73 is: 8,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269.51 : 31,904.27 = 5,686.73 : x
  2. Step 2: Convert to fraction form
    21,269.51/31,904.27 = 5,686.73/x
  3. Step 3: Cross multiply
    21,269.51x = 31,904.27 × 5,686.73
  4. Step 4: Simplify right side
    21,269.51x = 181,431,117.80
  5. Step 5: Solve for x
    x = 181,431,117.80/21,269.51
  6. Step 6: Final answer
    x = 8,530.10

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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.