Home / 19,476.32-26,879.91-10,980.05

Finding the Fourth Proportional to 19,476.32, 26,879.91 and 10,980.05

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Solution

The fourth proportional to 19,476.32, 26,879.91 and 10,980.05 is: 15,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.32 : 26,879.91 = 10,980.05 : x
  2. Step 2: Convert to fraction form
    19,476.32/26,879.91 = 10,980.05/x
  3. Step 3: Cross multiply
    19,476.32x = 26,879.91 × 10,980.05
  4. Step 4: Simplify right side
    19,476.32x = 295,142,755.80
  5. Step 5: Solve for x
    x = 295,142,755.80/19,476.32
  6. Step 6: Final answer
    x = 15,153.93

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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.