Home / 19,467.81-26,877.83-12,763.17

Finding the Fourth Proportional to 19,467.81, 26,877.83 and 12,763.17

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Solution

The fourth proportional to 19,467.81, 26,877.83 and 12,763.17 is: 17,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,467.81 : 26,877.83 = 12,763.17 : x
  2. Step 2: Convert to fraction form
    19,467.81/26,877.83 = 12,763.17/x
  3. Step 3: Cross multiply
    19,467.81x = 26,877.83 × 12,763.17
  4. Step 4: Simplify right side
    19,467.81x = 343,046,249.71
  5. Step 5: Solve for x
    x = 343,046,249.71/19,467.81
  6. Step 6: Final answer
    x = 17,621.20

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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.