Home / 17,918.80-24,728.58-9,853.07

Finding the Fourth Proportional to 17,918.80, 24,728.58 and 9,853.07

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Solution

The fourth proportional to 17,918.80, 24,728.58 and 9,853.07 is: 13,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.80 : 24,728.58 = 9,853.07 : x
  2. Step 2: Convert to fraction form
    17,918.80/24,728.58 = 9,853.07/x
  3. Step 3: Cross multiply
    17,918.80x = 24,728.58 × 9,853.07
  4. Step 4: Simplify right side
    17,918.80x = 243,652,347.94
  5. Step 5: Solve for x
    x = 243,652,347.94/17,918.80
  6. Step 6: Final answer
    x = 13,597.58

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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.