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Finding the Fourth Proportional to 17,798.60, 26,689.80 and 9,476.48

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Solution

The fourth proportional to 17,798.60, 26,689.80 and 9,476.48 is: 14,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798.60 : 26,689.80 = 9,476.48 : x
  2. Step 2: Convert to fraction form
    17,798.60/26,689.80 = 9,476.48/x
  3. Step 3: Cross multiply
    17,798.60x = 26,689.80 × 9,476.48
  4. Step 4: Simplify right side
    17,798.60x = 252,925,355.90
  5. Step 5: Solve for x
    x = 252,925,355.90/17,798.60
  6. Step 6: Final answer
    x = 14,210.41

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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.