Home / 14,626.19-20,184.12-7,911.80

Finding the Fourth Proportional to 14,626.19, 20,184.12 and 7,911.80

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Solution

The fourth proportional to 14,626.19, 20,184.12 and 7,911.80 is: 10,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626.19 : 20,184.12 = 7,911.80 : x
  2. Step 2: Convert to fraction form
    14,626.19/20,184.12 = 7,911.80/x
  3. Step 3: Cross multiply
    14,626.19x = 20,184.12 × 7,911.80
  4. Step 4: Simplify right side
    14,626.19x = 159,692,590.03
  5. Step 5: Solve for x
    x = 159,692,590.03/14,626.19
  6. Step 6: Final answer
    x = 10,918.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.