Home / 9,314.02-13,971.30-4,120.30

Finding the Fourth Proportional to 9,314.02, 13,971.30 and 4,120.30

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Solution

The fourth proportional to 9,314.02, 13,971.30 and 4,120.30 is: 6,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.02 : 13,971.30 = 4,120.30 : x
  2. Step 2: Convert to fraction form
    9,314.02/13,971.30 = 4,120.30/x
  3. Step 3: Cross multiply
    9,314.02x = 13,971.30 × 4,120.30
  4. Step 4: Simplify right side
    9,314.02x = 57,565,947.39
  5. Step 5: Solve for x
    x = 57,565,947.39/9,314.02
  6. Step 6: Final answer
    x = 6,180.57

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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.