Home / 9,421.70-14,140.65-4,164.80

Finding the Fourth Proportional to 9,421.70, 14,140.65 and 4,164.80

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Solution

The fourth proportional to 9,421.70, 14,140.65 and 4,164.80 is: 6,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.70 : 14,140.65 = 4,164.80 : x
  2. Step 2: Convert to fraction form
    9,421.70/14,140.65 = 4,164.80/x
  3. Step 3: Cross multiply
    9,421.70x = 14,140.65 × 4,164.80
  4. Step 4: Simplify right side
    9,421.70x = 58,892,979.12
  5. Step 5: Solve for x
    x = 58,892,979.12/9,421.70
  6. Step 6: Final answer
    x = 6,250.78

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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.