Home / 13,773.08-19,006.90-7,485.40

Finding the Fourth Proportional to 13,773.08, 19,006.90 and 7,485.40

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Solution

The fourth proportional to 13,773.08, 19,006.90 and 7,485.40 is: 10,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.08 : 19,006.90 = 7,485.40 : x
  2. Step 2: Convert to fraction form
    13,773.08/19,006.90 = 7,485.40/x
  3. Step 3: Cross multiply
    13,773.08x = 19,006.90 × 7,485.40
  4. Step 4: Simplify right side
    13,773.08x = 142,274,249.26
  5. Step 5: Solve for x
    x = 142,274,249.26/13,773.08
  6. Step 6: Final answer
    x = 10,329.88

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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.