Home / 13,992.87-19,311.52-10,449.93

Finding the Fourth Proportional to 13,992.87, 19,311.52 and 10,449.93

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Solution

The fourth proportional to 13,992.87, 19,311.52 and 10,449.93 is: 14,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.87 : 19,311.52 = 10,449.93 : x
  2. Step 2: Convert to fraction form
    13,992.87/19,311.52 = 10,449.93/x
  3. Step 3: Cross multiply
    13,992.87x = 19,311.52 × 10,449.93
  4. Step 4: Simplify right side
    13,992.87x = 201,804,032.19
  5. Step 5: Solve for x
    x = 201,804,032.19/13,992.87
  6. Step 6: Final answer
    x = 14,421.92

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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.