Home / 13,152.10-19,710.86-6,228.58

Finding the Fourth Proportional to 13,152.10, 19,710.86 and 6,228.58

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Solution

The fourth proportional to 13,152.10, 19,710.86 and 6,228.58 is: 9,334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.10 : 19,710.86 = 6,228.58 : x
  2. Step 2: Convert to fraction form
    13,152.10/19,710.86 = 6,228.58/x
  3. Step 3: Cross multiply
    13,152.10x = 19,710.86 × 6,228.58
  4. Step 4: Simplify right side
    13,152.10x = 122,770,668.38
  5. Step 5: Solve for x
    x = 122,770,668.38/13,152.10
  6. Step 6: Final answer
    x = 9,334.68

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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.