Home / 14,391.20-19,852.08-9,907.04

Finding the Fourth Proportional to 14,391.20, 19,852.08 and 9,907.04

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Solution

The fourth proportional to 14,391.20, 19,852.08 and 9,907.04 is: 13,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.20 : 19,852.08 = 9,907.04 : x
  2. Step 2: Convert to fraction form
    14,391.20/19,852.08 = 9,907.04/x
  3. Step 3: Cross multiply
    14,391.20x = 19,852.08 × 9,907.04
  4. Step 4: Simplify right side
    14,391.20x = 196,675,350.64
  5. Step 5: Solve for x
    x = 196,675,350.64/14,391.20
  6. Step 6: Final answer
    x = 13,666.36

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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.