Home / 9,486.40-14,229.60-3,330.40

Finding the Fourth Proportional to 9,486.40, 14,229.60 and 3,330.40

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Solution

The fourth proportional to 9,486.40, 14,229.60 and 3,330.40 is: 4,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.40 : 14,229.60 = 3,330.40 : x
  2. Step 2: Convert to fraction form
    9,486.40/14,229.60 = 3,330.40/x
  3. Step 3: Cross multiply
    9,486.40x = 14,229.60 × 3,330.40
  4. Step 4: Simplify right side
    9,486.40x = 47,390,259.84
  5. Step 5: Solve for x
    x = 47,390,259.84/9,486.40
  6. Step 6: Final answer
    x = 4,995.60

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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.