Home / 13,214.08-19,821.10-7,290.68

Finding the Fourth Proportional to 13,214.08, 19,821.10 and 7,290.68

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Solution

The fourth proportional to 13,214.08, 19,821.10 and 7,290.68 is: 10,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.08 : 19,821.10 = 7,290.68 : x
  2. Step 2: Convert to fraction form
    13,214.08/19,821.10 = 7,290.68/x
  3. Step 3: Cross multiply
    13,214.08x = 19,821.10 × 7,290.68
  4. Step 4: Simplify right side
    13,214.08x = 144,509,297.35
  5. Step 5: Solve for x
    x = 144,509,297.35/13,214.08
  6. Step 6: Final answer
    x = 10,936.01

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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.