Home / 11,387.08-17,068.94-4,365.20

Finding the Fourth Proportional to 11,387.08, 17,068.94 and 4,365.20

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Solution

The fourth proportional to 11,387.08, 17,068.94 and 4,365.20 is: 6,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.08 : 17,068.94 = 4,365.20 : x
  2. Step 2: Convert to fraction form
    11,387.08/17,068.94 = 4,365.20/x
  3. Step 3: Cross multiply
    11,387.08x = 17,068.94 × 4,365.20
  4. Step 4: Simplify right side
    11,387.08x = 74,509,336.89
  5. Step 5: Solve for x
    x = 74,509,336.89/11,387.08
  6. Step 6: Final answer
    x = 6,543.32

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1.5x scale

Why These Related Problems?

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