Home / 10,178.58-15,268.08-6,690.83

Finding the Fourth Proportional to 10,178.58, 15,268.08 and 6,690.83

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Solution

The fourth proportional to 10,178.58, 15,268.08 and 6,690.83 is: 10,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.58 : 15,268.08 = 6,690.83 : x
  2. Step 2: Convert to fraction form
    10,178.58/15,268.08 = 6,690.83/x
  3. Step 3: Cross multiply
    10,178.58x = 15,268.08 × 6,690.83
  4. Step 4: Simplify right side
    10,178.58x = 102,156,051.37
  5. Step 5: Solve for x
    x = 102,156,051.37/10,178.58
  6. Step 6: Final answer
    x = 10,036.38

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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.