Home / 13,085.95-19,629.55-3,726.61

Finding the Fourth Proportional to 13,085.95, 19,629.55 and 3,726.61

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Solution

The fourth proportional to 13,085.95, 19,629.55 and 3,726.61 is: 5,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.95 : 19,629.55 = 3,726.61 : x
  2. Step 2: Convert to fraction form
    13,085.95/19,629.55 = 3,726.61/x
  3. Step 3: Cross multiply
    13,085.95x = 19,629.55 × 3,726.61
  4. Step 4: Simplify right side
    13,085.95x = 73,151,750.58
  5. Step 5: Solve for x
    x = 73,151,750.58/13,085.95
  6. Step 6: Final answer
    x = 5,590.10

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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.