Home / 12,773.63-19,178.37-6,538.12

Finding the Fourth Proportional to 12,773.63, 19,178.37 and 6,538.12

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Solution

The fourth proportional to 12,773.63, 19,178.37 and 6,538.12 is: 9,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.63 : 19,178.37 = 6,538.12 : x
  2. Step 2: Convert to fraction form
    12,773.63/19,178.37 = 6,538.12/x
  3. Step 3: Cross multiply
    12,773.63x = 19,178.37 × 6,538.12
  4. Step 4: Simplify right side
    12,773.63x = 125,390,484.46
  5. Step 5: Solve for x
    x = 125,390,484.46/12,773.63
  6. Step 6: Final answer
    x = 9,816.35

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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.