Home / 13,182.81-19,775.09-4,417.80

Finding the Fourth Proportional to 13,182.81, 19,775.09 and 4,417.80

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Solution

The fourth proportional to 13,182.81, 19,775.09 and 4,417.80 is: 6,626.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.81 : 19,775.09 = 4,417.80 : x
  2. Step 2: Convert to fraction form
    13,182.81/19,775.09 = 4,417.80/x
  3. Step 3: Cross multiply
    13,182.81x = 19,775.09 × 4,417.80
  4. Step 4: Simplify right side
    13,182.81x = 87,362,392.60
  5. Step 5: Solve for x
    x = 87,362,392.60/13,182.81
  6. Step 6: Final answer
    x = 6,626.99

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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.