Home / 19,875.51-29,813.67-6,727.86

Finding the Fourth Proportional to 19,875.51, 29,813.67 and 6,727.86

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Solution

The fourth proportional to 19,875.51, 29,813.67 and 6,727.86 is: 10,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.51 : 29,813.67 = 6,727.86 : x
  2. Step 2: Convert to fraction form
    19,875.51/29,813.67 = 6,727.86/x
  3. Step 3: Cross multiply
    19,875.51x = 29,813.67 × 6,727.86
  4. Step 4: Simplify right side
    19,875.51x = 200,582,197.85
  5. Step 5: Solve for x
    x = 200,582,197.85/19,875.51
  6. Step 6: Final answer
    x = 10,091.93

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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.