Home / 9,336.20-14,001.60-3,412.40

Finding the Fourth Proportional to 9,336.20, 14,001.60 and 3,412.40

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Solution

The fourth proportional to 9,336.20, 14,001.60 and 3,412.40 is: 5,117.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.20 : 14,001.60 = 3,412.40 : x
  2. Step 2: Convert to fraction form
    9,336.20/14,001.60 = 3,412.40/x
  3. Step 3: Cross multiply
    9,336.20x = 14,001.60 × 3,412.40
  4. Step 4: Simplify right side
    9,336.20x = 47,779,059.84
  5. Step 5: Solve for x
    x = 47,779,059.84/9,336.20
  6. Step 6: Final answer
    x = 5,117.61

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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.