Home / 9,490.60-14,235.90-6,720.40

Finding the Fourth Proportional to 9,490.60, 14,235.90 and 6,720.40

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Solution

The fourth proportional to 9,490.60, 14,235.90 and 6,720.40 is: 10,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490.60 : 14,235.90 = 6,720.40 : x
  2. Step 2: Convert to fraction form
    9,490.60/14,235.90 = 6,720.40/x
  3. Step 3: Cross multiply
    9,490.60x = 14,235.90 × 6,720.40
  4. Step 4: Simplify right side
    9,490.60x = 95,670,942.36
  5. Step 5: Solve for x
    x = 95,670,942.36/9,490.60
  6. Step 6: Final answer
    x = 10,080.60

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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.