Home / 13,289.77-19,937.52-6,629.85

Finding the Fourth Proportional to 13,289.77, 19,937.52 and 6,629.85

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Solution

The fourth proportional to 13,289.77, 19,937.52 and 6,629.85 is: 9,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.77 : 19,937.52 = 6,629.85 : x
  2. Step 2: Convert to fraction form
    13,289.77/19,937.52 = 6,629.85/x
  3. Step 3: Cross multiply
    13,289.77x = 19,937.52 × 6,629.85
  4. Step 4: Simplify right side
    13,289.77x = 132,182,748.33
  5. Step 5: Solve for x
    x = 132,182,748.33/13,289.77
  6. Step 6: Final answer
    x = 9,946.20

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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.