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Finding the Fourth Proportional to 17,803.68, 26,703.48 and 4,657.32

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Solution

The fourth proportional to 17,803.68, 26,703.48 and 4,657.32 is: 6,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,803.68 : 26,703.48 = 4,657.32 : x
  2. Step 2: Convert to fraction form
    17,803.68/26,703.48 = 4,657.32/x
  3. Step 3: Cross multiply
    17,803.68x = 26,703.48 × 4,657.32
  4. Step 4: Simplify right side
    17,803.68x = 124,366,651.47
  5. Step 5: Solve for x
    x = 124,366,651.47/17,803.68
  6. Step 6: Final answer
    x = 6,985.45

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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.