Home / 13,285.65-19,909.83-7,365.27

Finding the Fourth Proportional to 13,285.65, 19,909.83 and 7,365.27

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Solution

The fourth proportional to 13,285.65, 19,909.83 and 7,365.27 is: 11,037.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.65 : 19,909.83 = 7,365.27 : x
  2. Step 2: Convert to fraction form
    13,285.65/19,909.83 = 7,365.27/x
  3. Step 3: Cross multiply
    13,285.65x = 19,909.83 × 7,365.27
  4. Step 4: Simplify right side
    13,285.65x = 146,641,273.60
  5. Step 5: Solve for x
    x = 146,641,273.60/13,285.65
  6. Step 6: Final answer
    x = 11,037.57

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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.