Home / 12,701.20-19,068.90-7,441.60

Finding the Fourth Proportional to 12,701.20, 19,068.90 and 7,441.60

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Solution

The fourth proportional to 12,701.20, 19,068.90 and 7,441.60 is: 11,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.20 : 19,068.90 = 7,441.60 : x
  2. Step 2: Convert to fraction form
    12,701.20/19,068.90 = 7,441.60/x
  3. Step 3: Cross multiply
    12,701.20x = 19,068.90 × 7,441.60
  4. Step 4: Simplify right side
    12,701.20x = 141,903,126.24
  5. Step 5: Solve for x
    x = 141,903,126.24/12,701.20
  6. Step 6: Final answer
    x = 11,172.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.