Home / 13,637.35-18,828.89-10,445.01

Finding the Fourth Proportional to 13,637.35, 18,828.89 and 10,445.01

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Solution

The fourth proportional to 13,637.35, 18,828.89 and 10,445.01 is: 14,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.35 : 18,828.89 = 10,445.01 : x
  2. Step 2: Convert to fraction form
    13,637.35/18,828.89 = 10,445.01/x
  3. Step 3: Cross multiply
    13,637.35x = 18,828.89 × 10,445.01
  4. Step 4: Simplify right side
    13,637.35x = 196,667,944.34
  5. Step 5: Solve for x
    x = 196,667,944.34/13,637.35
  6. Step 6: Final answer
    x = 14,421.27

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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.