Home / 11,317.79-15,619.50-6,283.05

Finding the Fourth Proportional to 11,317.79, 15,619.50 and 6,283.05

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Solution

The fourth proportional to 11,317.79, 15,619.50 and 6,283.05 is: 8,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.79 : 15,619.50 = 6,283.05 : x
  2. Step 2: Convert to fraction form
    11,317.79/15,619.50 = 6,283.05/x
  3. Step 3: Cross multiply
    11,317.79x = 15,619.50 × 6,283.05
  4. Step 4: Simplify right side
    11,317.79x = 98,138,099.48
  5. Step 5: Solve for x
    x = 98,138,099.48/11,317.79
  6. Step 6: Final answer
    x = 8,671.14

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1.5x scale

Why These Related Problems?

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