Home / 19,460.21-26,867.00-12,660.69

Finding the Fourth Proportional to 19,460.21, 26,867.00 and 12,660.69

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Solution

The fourth proportional to 19,460.21, 26,867.00 and 12,660.69 is: 17,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.21 : 26,867.00 = 12,660.69 : x
  2. Step 2: Convert to fraction form
    19,460.21/26,867.00 = 12,660.69/x
  3. Step 3: Cross multiply
    19,460.21x = 26,867.00 × 12,660.69
  4. Step 4: Simplify right side
    19,460.21x = 340,154,694.93
  5. Step 5: Solve for x
    x = 340,154,694.93/19,460.21
  6. Step 6: Final answer
    x = 17,479.50

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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.