Home / 9,339.40-14,000.10-5,386.60

Finding the Fourth Proportional to 9,339.40, 14,000.10 and 5,386.60

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Solution

The fourth proportional to 9,339.40, 14,000.10 and 5,386.60 is: 8,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.40 : 14,000.10 = 5,386.60 : x
  2. Step 2: Convert to fraction form
    9,339.40/14,000.10 = 5,386.60/x
  3. Step 3: Cross multiply
    9,339.40x = 14,000.10 × 5,386.60
  4. Step 4: Simplify right side
    9,339.40x = 75,412,938.66
  5. Step 5: Solve for x
    x = 75,412,938.66/9,339.40
  6. Step 6: Final answer
    x = 8,074.71

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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.