Home / 9,974.04-13,764.06-5,782.68

Finding the Fourth Proportional to 9,974.04, 13,764.06 and 5,782.68

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Solution

The fourth proportional to 9,974.04, 13,764.06 and 5,782.68 is: 7,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974.04 : 13,764.06 = 5,782.68 : x
  2. Step 2: Convert to fraction form
    9,974.04/13,764.06 = 5,782.68/x
  3. Step 3: Cross multiply
    9,974.04x = 13,764.06 × 5,782.68
  4. Step 4: Simplify right side
    9,974.04x = 79,593,154.48
  5. Step 5: Solve for x
    x = 79,593,154.48/9,974.04
  6. Step 6: Final answer
    x = 7,980.03

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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.