Home / 20,737.51-31,110.35-6,701.09

Finding the Fourth Proportional to 20,737.51, 31,110.35 and 6,701.09

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Solution

The fourth proportional to 20,737.51, 31,110.35 and 6,701.09 is: 10,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.51 : 31,110.35 = 6,701.09 : x
  2. Step 2: Convert to fraction form
    20,737.51/31,110.35 = 6,701.09/x
  3. Step 3: Cross multiply
    20,737.51x = 31,110.35 × 6,701.09
  4. Step 4: Simplify right side
    20,737.51x = 208,473,066.22
  5. Step 5: Solve for x
    x = 208,473,066.22/20,737.51
  6. Step 6: Final answer
    x = 10,052.95

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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.