Home / 19,370.40-29,048.22-8,282.22

Finding the Fourth Proportional to 19,370.40, 29,048.22 and 8,282.22

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Solution

The fourth proportional to 19,370.40, 29,048.22 and 8,282.22 is: 12,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.40 : 29,048.22 = 8,282.22 : x
  2. Step 2: Convert to fraction form
    19,370.40/29,048.22 = 8,282.22/x
  3. Step 3: Cross multiply
    19,370.40x = 29,048.22 × 8,282.22
  4. Step 4: Simplify right side
    19,370.40x = 240,583,748.65
  5. Step 5: Solve for x
    x = 240,583,748.65/19,370.40
  6. Step 6: Final answer
    x = 12,420.17

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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.