Home / 19,460.71-26,867.69-12,661.19

Finding the Fourth Proportional to 19,460.71, 26,867.69 and 12,661.19

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Solution

The fourth proportional to 19,460.71, 26,867.69 and 12,661.19 is: 17,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.71 : 26,867.69 = 12,661.19 : x
  2. Step 2: Convert to fraction form
    19,460.71/26,867.69 = 12,661.19/x
  3. Step 3: Cross multiply
    19,460.71x = 26,867.69 × 12,661.19
  4. Step 4: Simplify right side
    19,460.71x = 340,176,864.65
  5. Step 5: Solve for x
    x = 340,176,864.65/19,460.71
  6. Step 6: Final answer
    x = 17,480.19

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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.