Home / 10,088.47-13,921.70-5,612.07

Finding the Fourth Proportional to 10,088.47, 13,921.70 and 5,612.07

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Solution

The fourth proportional to 10,088.47, 13,921.70 and 5,612.07 is: 7,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.47 : 13,921.70 = 5,612.07 : x
  2. Step 2: Convert to fraction form
    10,088.47/13,921.70 = 5,612.07/x
  3. Step 3: Cross multiply
    10,088.47x = 13,921.70 × 5,612.07
  4. Step 4: Simplify right side
    10,088.47x = 78,129,554.92
  5. Step 5: Solve for x
    x = 78,129,554.92/10,088.47
  6. Step 6: Final answer
    x = 7,744.44

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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.