Home / 12,827.88-19,207.02-6,658.92

Finding the Fourth Proportional to 12,827.88, 19,207.02 and 6,658.92

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Solution

The fourth proportional to 12,827.88, 19,207.02 and 6,658.92 is: 9,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.88 : 19,207.02 = 6,658.92 : x
  2. Step 2: Convert to fraction form
    12,827.88/19,207.02 = 6,658.92/x
  3. Step 3: Cross multiply
    12,827.88x = 19,207.02 × 6,658.92
  4. Step 4: Simplify right side
    12,827.88x = 127,898,009.62
  5. Step 5: Solve for x
    x = 127,898,009.62/12,827.88
  6. Step 6: Final answer
    x = 9,970.32

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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.