Home / 17,747.81-24,490.09-9,790.04

Finding the Fourth Proportional to 17,747.81, 24,490.09 and 9,790.04

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Solution

The fourth proportional to 17,747.81, 24,490.09 and 9,790.04 is: 13,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,747.81 : 24,490.09 = 9,790.04 : x
  2. Step 2: Convert to fraction form
    17,747.81/24,490.09 = 9,790.04/x
  3. Step 3: Cross multiply
    17,747.81x = 24,490.09 × 9,790.04
  4. Step 4: Simplify right side
    17,747.81x = 239,758,899.48
  5. Step 5: Solve for x
    x = 239,758,899.48/17,747.81
  6. Step 6: Final answer
    x = 13,509.21

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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.