Home / 11,280-15,566.52-6,244.32

Finding the Fourth Proportional to 11,280, 15,566.52 and 6,244.32

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Solution

The fourth proportional to 11,280, 15,566.52 and 6,244.32 is: 8,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280 : 15,566.52 = 6,244.32 : x
  2. Step 2: Convert to fraction form
    11,280/15,566.52 = 6,244.32/x
  3. Step 3: Cross multiply
    11,280x = 15,566.52 × 6,244.32
  4. Step 4: Simplify right side
    11,280x = 97,202,332.17
  5. Step 5: Solve for x
    x = 97,202,332.17/11,280
  6. Step 6: Final answer
    x = 8,617.23

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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.