Home / 12,701.86-19,043.88-6,862.30

Finding the Fourth Proportional to 12,701.86, 19,043.88 and 6,862.30

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Solution

The fourth proportional to 12,701.86, 19,043.88 and 6,862.30 is: 10,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.86 : 19,043.88 = 6,862.30 : x
  2. Step 2: Convert to fraction form
    12,701.86/19,043.88 = 6,862.30/x
  3. Step 3: Cross multiply
    12,701.86x = 19,043.88 × 6,862.30
  4. Step 4: Simplify right side
    12,701.86x = 130,684,817.72
  5. Step 5: Solve for x
    x = 130,684,817.72/12,701.86
  6. Step 6: Final answer
    x = 10,288.64

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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.