Home / 13,219.48-19,727.06-11,746.92

Finding the Fourth Proportional to 13,219.48, 19,727.06 and 11,746.92

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Solution

The fourth proportional to 13,219.48, 19,727.06 and 11,746.92 is: 17,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.48 : 19,727.06 = 11,746.92 : x
  2. Step 2: Convert to fraction form
    13,219.48/19,727.06 = 11,746.92/x
  3. Step 3: Cross multiply
    13,219.48x = 19,727.06 × 11,746.92
  4. Step 4: Simplify right side
    13,219.48x = 231,732,195.66
  5. Step 5: Solve for x
    x = 231,732,195.66/13,219.48
  6. Step 6: Final answer
    x = 17,529.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.