Home / 13,460.33-18,572.08-11,315.03

Finding the Fourth Proportional to 13,460.33, 18,572.08 and 11,315.03

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Solution

The fourth proportional to 13,460.33, 18,572.08 and 11,315.03 is: 15,612.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.33 : 18,572.08 = 11,315.03 : x
  2. Step 2: Convert to fraction form
    13,460.33/18,572.08 = 11,315.03/x
  3. Step 3: Cross multiply
    13,460.33x = 18,572.08 × 11,315.03
  4. Step 4: Simplify right side
    13,460.33x = 210,143,642.36
  5. Step 5: Solve for x
    x = 210,143,642.36/13,460.33
  6. Step 6: Final answer
    x = 15,612.07

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