Home / 13,277.55-19,909.83-7,732.83

Finding the Fourth Proportional to 13,277.55, 19,909.83 and 7,732.83

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Solution

The fourth proportional to 13,277.55, 19,909.83 and 7,732.83 is: 11,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.55 : 19,909.83 = 7,732.83 : x
  2. Step 2: Convert to fraction form
    13,277.55/19,909.83 = 7,732.83/x
  3. Step 3: Cross multiply
    13,277.55x = 19,909.83 × 7,732.83
  4. Step 4: Simplify right side
    13,277.55x = 153,959,330.72
  5. Step 5: Solve for x
    x = 153,959,330.72/13,277.55
  6. Step 6: Final answer
    x = 11,595.46

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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.