Home / 14,007.30-19,330.11-7,633.86

Finding the Fourth Proportional to 14,007.30, 19,330.11 and 7,633.86

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Solution

The fourth proportional to 14,007.30, 19,330.11 and 7,633.86 is: 10,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.30 : 19,330.11 = 7,633.86 : x
  2. Step 2: Convert to fraction form
    14,007.30/19,330.11 = 7,633.86/x
  3. Step 3: Cross multiply
    14,007.30x = 19,330.11 × 7,633.86
  4. Step 4: Simplify right side
    14,007.30x = 147,563,353.52
  5. Step 5: Solve for x
    x = 147,563,353.52/14,007.30
  6. Step 6: Final answer
    x = 10,534.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.