Home / 19,488.36-29,213.76-6,331.80

Finding the Fourth Proportional to 19,488.36, 29,213.76 and 6,331.80

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Solution

The fourth proportional to 19,488.36, 29,213.76 and 6,331.80 is: 9,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.36 : 29,213.76 = 6,331.80 : x
  2. Step 2: Convert to fraction form
    19,488.36/29,213.76 = 6,331.80/x
  3. Step 3: Cross multiply
    19,488.36x = 29,213.76 × 6,331.80
  4. Step 4: Simplify right side
    19,488.36x = 184,975,685.57
  5. Step 5: Solve for x
    x = 184,975,685.57/19,488.36
  6. Step 6: Final answer
    x = 9,491.60

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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.