Home / 11,317.04-15,617.49-6,281.32

Finding the Fourth Proportional to 11,317.04, 15,617.49 and 6,281.32

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Solution

The fourth proportional to 11,317.04, 15,617.49 and 6,281.32 is: 8,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.04 : 15,617.49 = 6,281.32 : x
  2. Step 2: Convert to fraction form
    11,317.04/15,617.49 = 6,281.32/x
  3. Step 3: Cross multiply
    11,317.04x = 15,617.49 × 6,281.32
  4. Step 4: Simplify right side
    11,317.04x = 98,098,374.20
  5. Step 5: Solve for x
    x = 98,098,374.20/11,317.04
  6. Step 6: Final answer
    x = 8,668.20

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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.