Home / 19,717.41-27,210.05-12,643.83

Finding the Fourth Proportional to 19,717.41, 27,210.05 and 12,643.83

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Solution

The fourth proportional to 19,717.41, 27,210.05 and 12,643.83 is: 17,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.41 : 27,210.05 = 12,643.83 : x
  2. Step 2: Convert to fraction form
    19,717.41/27,210.05 = 12,643.83/x
  3. Step 3: Cross multiply
    19,717.41x = 27,210.05 × 12,643.83
  4. Step 4: Simplify right side
    19,717.41x = 344,039,246.49
  5. Step 5: Solve for x
    x = 344,039,246.49/19,717.41
  6. Step 6: Final answer
    x = 17,448.50

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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.