Home / 14,356.29-19,816.20-13,240.92

Finding the Fourth Proportional to 14,356.29, 19,816.20 and 13,240.92

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Solution

The fourth proportional to 14,356.29, 19,816.20 and 13,240.92 is: 18,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.29 : 19,816.20 = 13,240.92 : x
  2. Step 2: Convert to fraction form
    14,356.29/19,816.20 = 13,240.92/x
  3. Step 3: Cross multiply
    14,356.29x = 19,816.20 × 13,240.92
  4. Step 4: Simplify right side
    14,356.29x = 262,384,718.90
  5. Step 5: Solve for x
    x = 262,384,718.90/14,356.29
  6. Step 6: Final answer
    x = 18,276.64

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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.