Home / 13,166.04-19,752.27-9,278.04

Finding the Fourth Proportional to 13,166.04, 19,752.27 and 9,278.04

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Solution

The fourth proportional to 13,166.04, 19,752.27 and 9,278.04 is: 13,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.04 : 19,752.27 = 9,278.04 : x
  2. Step 2: Convert to fraction form
    13,166.04/19,752.27 = 9,278.04/x
  3. Step 3: Cross multiply
    13,166.04x = 19,752.27 × 9,278.04
  4. Step 4: Simplify right side
    13,166.04x = 183,262,351.15
  5. Step 5: Solve for x
    x = 183,262,351.15/13,166.04
  6. Step 6: Final answer
    x = 13,919.32

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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.