Home / 13,216.26-19,810.40-4,890.92

Finding the Fourth Proportional to 13,216.26, 19,810.40 and 4,890.92

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Solution

The fourth proportional to 13,216.26, 19,810.40 and 4,890.92 is: 7,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.26 : 19,810.40 = 4,890.92 : x
  2. Step 2: Convert to fraction form
    13,216.26/19,810.40 = 4,890.92/x
  3. Step 3: Cross multiply
    13,216.26x = 19,810.40 × 4,890.92
  4. Step 4: Simplify right side
    13,216.26x = 96,891,081.57
  5. Step 5: Solve for x
    x = 96,891,081.57/13,216.26
  6. Step 6: Final answer
    x = 7,331.20

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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.