Home / 13,299.48-19,953.72-5,909.04

Finding the Fourth Proportional to 13,299.48, 19,953.72 and 5,909.04

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Solution

The fourth proportional to 13,299.48, 19,953.72 and 5,909.04 is: 8,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.48 : 19,953.72 = 5,909.04 : x
  2. Step 2: Convert to fraction form
    13,299.48/19,953.72 = 5,909.04/x
  3. Step 3: Cross multiply
    13,299.48x = 19,953.72 × 5,909.04
  4. Step 4: Simplify right side
    13,299.48x = 117,907,329.63
  5. Step 5: Solve for x
    x = 117,907,329.63/13,299.48
  6. Step 6: Final answer
    x = 8,865.56

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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.