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Finding the Fourth Proportional to 17,798.04, 26,678.16 and 9,472.86

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Solution

The fourth proportional to 17,798.04, 26,678.16 and 9,472.86 is: 14,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798.04 : 26,678.16 = 9,472.86 : x
  2. Step 2: Convert to fraction form
    17,798.04/26,678.16 = 9,472.86/x
  3. Step 3: Cross multiply
    17,798.04x = 26,678.16 × 9,472.86
  4. Step 4: Simplify right side
    17,798.04x = 252,718,474.74
  5. Step 5: Solve for x
    x = 252,718,474.74/17,798.04
  6. Step 6: Final answer
    x = 14,199.23

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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.