Home / 13,253.40-19,880.28-5,856.12

Finding the Fourth Proportional to 13,253.40, 19,880.28 and 5,856.12

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Solution

The fourth proportional to 13,253.40, 19,880.28 and 5,856.12 is: 8,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.40 : 19,880.28 = 5,856.12 : x
  2. Step 2: Convert to fraction form
    13,253.40/19,880.28 = 5,856.12/x
  3. Step 3: Cross multiply
    13,253.40x = 19,880.28 × 5,856.12
  4. Step 4: Simplify right side
    13,253.40x = 116,421,305.31
  5. Step 5: Solve for x
    x = 116,421,305.31/13,253.40
  6. Step 6: Final answer
    x = 8,784.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.