Home / 13,931.03-19,214.09-9,682.04

Finding the Fourth Proportional to 13,931.03, 19,214.09 and 9,682.04

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Solution

The fourth proportional to 13,931.03, 19,214.09 and 9,682.04 is: 13,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931.03 : 19,214.09 = 9,682.04 : x
  2. Step 2: Convert to fraction form
    13,931.03/19,214.09 = 9,682.04/x
  3. Step 3: Cross multiply
    13,931.03x = 19,214.09 × 9,682.04
  4. Step 4: Simplify right side
    13,931.03x = 186,031,587.94
  5. Step 5: Solve for x
    x = 186,031,587.94/13,931.03
  6. Step 6: Final answer
    x = 13,353.76

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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.