Home / 9,419.48-14,130.72-3,180.04

Finding the Fourth Proportional to 9,419.48, 14,130.72 and 3,180.04

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Solution

The fourth proportional to 9,419.48, 14,130.72 and 3,180.04 is: 4,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.48 : 14,130.72 = 3,180.04 : x
  2. Step 2: Convert to fraction form
    9,419.48/14,130.72 = 3,180.04/x
  3. Step 3: Cross multiply
    9,419.48x = 14,130.72 × 3,180.04
  4. Step 4: Simplify right side
    9,419.48x = 44,936,254.83
  5. Step 5: Solve for x
    x = 44,936,254.83/9,419.48
  6. Step 6: Final answer
    x = 4,770.57

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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.