Home / 19,868.08-29,802.16-7,390.84

Finding the Fourth Proportional to 19,868.08, 29,802.16 and 7,390.84

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Solution

The fourth proportional to 19,868.08, 29,802.16 and 7,390.84 is: 11,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868.08 : 29,802.16 = 7,390.84 : x
  2. Step 2: Convert to fraction form
    19,868.08/29,802.16 = 7,390.84/x
  3. Step 3: Cross multiply
    19,868.08x = 29,802.16 × 7,390.84
  4. Step 4: Simplify right side
    19,868.08x = 220,262,996.21
  5. Step 5: Solve for x
    x = 220,262,996.21/19,868.08
  6. Step 6: Final answer
    x = 11,086.27

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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.