Home / 9,678.60-14,531.40-6,190.20

Finding the Fourth Proportional to 9,678.60, 14,531.40 and 6,190.20

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Solution

The fourth proportional to 9,678.60, 14,531.40 and 6,190.20 is: 9,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.60 : 14,531.40 = 6,190.20 : x
  2. Step 2: Convert to fraction form
    9,678.60/14,531.40 = 6,190.20/x
  3. Step 3: Cross multiply
    9,678.60x = 14,531.40 × 6,190.20
  4. Step 4: Simplify right side
    9,678.60x = 89,952,272.28
  5. Step 5: Solve for x
    x = 89,952,272.28/9,678.60
  6. Step 6: Final answer
    x = 9,293.93

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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.