Home / 17,931.72-24,742.92-9,973.92

Finding the Fourth Proportional to 17,931.72, 24,742.92 and 9,973.92

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Solution

The fourth proportional to 17,931.72, 24,742.92 and 9,973.92 is: 13,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.72 : 24,742.92 = 9,973.92 : x
  2. Step 2: Convert to fraction form
    17,931.72/24,742.92 = 9,973.92/x
  3. Step 3: Cross multiply
    17,931.72x = 24,742.92 × 9,973.92
  4. Step 4: Simplify right side
    17,931.72x = 246,783,904.65
  5. Step 5: Solve for x
    x = 246,783,904.65/17,931.72
  6. Step 6: Final answer
    x = 13,762.42

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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.