Home / 13,056.79-18,017.87-7,088.33

Finding the Fourth Proportional to 13,056.79, 18,017.87 and 7,088.33

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Solution

The fourth proportional to 13,056.79, 18,017.87 and 7,088.33 is: 9,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.79 : 18,017.87 = 7,088.33 : x
  2. Step 2: Convert to fraction form
    13,056.79/18,017.87 = 7,088.33/x
  3. Step 3: Cross multiply
    13,056.79x = 18,017.87 × 7,088.33
  4. Step 4: Simplify right side
    13,056.79x = 127,716,608.46
  5. Step 5: Solve for x
    x = 127,716,608.46/13,056.79
  6. Step 6: Final answer
    x = 9,781.62

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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.