Home / 13,619.62-18,802.29-10,588.06

Finding the Fourth Proportional to 13,619.62, 18,802.29 and 10,588.06

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Solution

The fourth proportional to 13,619.62, 18,802.29 and 10,588.06 is: 14,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.62 : 18,802.29 = 10,588.06 : x
  2. Step 2: Convert to fraction form
    13,619.62/18,802.29 = 10,588.06/x
  3. Step 3: Cross multiply
    13,619.62x = 18,802.29 × 10,588.06
  4. Step 4: Simplify right side
    13,619.62x = 199,079,774.66
  5. Step 5: Solve for x
    x = 199,079,774.66/13,619.62
  6. Step 6: Final answer
    x = 14,617.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.