Home / 13,911.86-19,216.77-10,368.92

Finding the Fourth Proportional to 13,911.86, 19,216.77 and 10,368.92

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Solution

The fourth proportional to 13,911.86, 19,216.77 and 10,368.92 is: 14,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.86 : 19,216.77 = 10,368.92 : x
  2. Step 2: Convert to fraction form
    13,911.86/19,216.77 = 10,368.92/x
  3. Step 3: Cross multiply
    13,911.86x = 19,216.77 × 10,368.92
  4. Step 4: Simplify right side
    13,911.86x = 199,257,150.79
  5. Step 5: Solve for x
    x = 199,257,150.79/13,911.86
  6. Step 6: Final answer
    x = 14,322.83

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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.