Home / 13,085.81-19,628.93-3,726.07

Finding the Fourth Proportional to 13,085.81, 19,628.93 and 3,726.07

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Solution

The fourth proportional to 13,085.81, 19,628.93 and 3,726.07 is: 5,589.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.81 : 19,628.93 = 3,726.07 : x
  2. Step 2: Convert to fraction form
    13,085.81/19,628.93 = 3,726.07/x
  3. Step 3: Cross multiply
    13,085.81x = 19,628.93 × 3,726.07
  4. Step 4: Simplify right side
    13,085.81x = 73,138,767.21
  5. Step 5: Solve for x
    x = 73,138,767.21/13,085.81
  6. Step 6: Final answer
    x = 5,589.17

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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.