Home / 9,454.20-14,181.30-4,772.40

Finding the Fourth Proportional to 9,454.20, 14,181.30 and 4,772.40

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Solution

The fourth proportional to 9,454.20, 14,181.30 and 4,772.40 is: 7,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,454.20 : 14,181.30 = 4,772.40 : x
  2. Step 2: Convert to fraction form
    9,454.20/14,181.30 = 4,772.40/x
  3. Step 3: Cross multiply
    9,454.20x = 14,181.30 × 4,772.40
  4. Step 4: Simplify right side
    9,454.20x = 67,678,836.12
  5. Step 5: Solve for x
    x = 67,678,836.12/9,454.20
  6. Step 6: Final answer
    x = 7,158.60

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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.