Home / 13,079.06-19,620.93-4,770.74

Finding the Fourth Proportional to 13,079.06, 19,620.93 and 4,770.74

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Solution

The fourth proportional to 13,079.06, 19,620.93 and 4,770.74 is: 7,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.06 : 19,620.93 = 4,770.74 : x
  2. Step 2: Convert to fraction form
    13,079.06/19,620.93 = 4,770.74/x
  3. Step 3: Cross multiply
    13,079.06x = 19,620.93 × 4,770.74
  4. Step 4: Simplify right side
    13,079.06x = 93,606,355.59
  5. Step 5: Solve for x
    x = 93,606,355.59/13,079.06
  6. Step 6: Final answer
    x = 7,156.96

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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.