Home / 14,986.05-20,667.40-9,675.28

Finding the Fourth Proportional to 14,986.05, 20,667.40 and 9,675.28

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Solution

The fourth proportional to 14,986.05, 20,667.40 and 9,675.28 is: 13,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.05 : 20,667.40 = 9,675.28 : x
  2. Step 2: Convert to fraction form
    14,986.05/20,667.40 = 9,675.28/x
  3. Step 3: Cross multiply
    14,986.05x = 20,667.40 × 9,675.28
  4. Step 4: Simplify right side
    14,986.05x = 199,962,883.52
  5. Step 5: Solve for x
    x = 199,962,883.52/14,986.05
  6. Step 6: Final answer
    x = 13,343.27

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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.