Home / 13,081.71-19,622.55-5,295.99

Finding the Fourth Proportional to 13,081.71, 19,622.55 and 5,295.99

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Solution

The fourth proportional to 13,081.71, 19,622.55 and 5,295.99 is: 7,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.71 : 19,622.55 = 5,295.99 : x
  2. Step 2: Convert to fraction form
    13,081.71/19,622.55 = 5,295.99/x
  3. Step 3: Cross multiply
    13,081.71x = 19,622.55 × 5,295.99
  4. Step 4: Simplify right side
    13,081.71x = 103,920,828.57
  5. Step 5: Solve for x
    x = 103,920,828.57/13,081.71
  6. Step 6: Final answer
    x = 7,943.98

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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.