Home / 14,675.35-20,241.42-10,139.62

Finding the Fourth Proportional to 14,675.35, 20,241.42 and 10,139.62

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Solution

The fourth proportional to 14,675.35, 20,241.42 and 10,139.62 is: 13,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.35 : 20,241.42 = 10,139.62 : x
  2. Step 2: Convert to fraction form
    14,675.35/20,241.42 = 10,139.62/x
  3. Step 3: Cross multiply
    14,675.35x = 20,241.42 × 10,139.62
  4. Step 4: Simplify right side
    14,675.35x = 205,240,307.06
  5. Step 5: Solve for x
    x = 205,240,307.06/14,675.35
  6. Step 6: Final answer
    x = 13,985.38

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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.