Home / 17,742.10-24,485.20-9,784.30

Finding the Fourth Proportional to 17,742.10, 24,485.20 and 9,784.30

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Solution

The fourth proportional to 17,742.10, 24,485.20 and 9,784.30 is: 13,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.10 : 24,485.20 = 9,784.30 : x
  2. Step 2: Convert to fraction form
    17,742.10/24,485.20 = 9,784.30/x
  3. Step 3: Cross multiply
    17,742.10x = 24,485.20 × 9,784.30
  4. Step 4: Simplify right side
    17,742.10x = 239,570,542.36
  5. Step 5: Solve for x
    x = 239,570,542.36/17,742.10
  6. Step 6: Final answer
    x = 13,502.94

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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.