Home / 18,893.12-28,343.52-6,589.76

Finding the Fourth Proportional to 18,893.12, 28,343.52 and 6,589.76

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Solution

The fourth proportional to 18,893.12, 28,343.52 and 6,589.76 is: 9,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893.12 : 28,343.52 = 6,589.76 : x
  2. Step 2: Convert to fraction form
    18,893.12/28,343.52 = 6,589.76/x
  3. Step 3: Cross multiply
    18,893.12x = 28,343.52 × 6,589.76
  4. Step 4: Simplify right side
    18,893.12x = 186,776,994.36
  5. Step 5: Solve for x
    x = 186,776,994.36/18,893.12
  6. Step 6: Final answer
    x = 9,885.98

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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.