Home / 19,360-26,715.36-10,976.32

Finding the Fourth Proportional to 19,360, 26,715.36 and 10,976.32

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Solution

The fourth proportional to 19,360, 26,715.36 and 10,976.32 is: 15,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360 : 26,715.36 = 10,976.32 : x
  2. Step 2: Convert to fraction form
    19,360/26,715.36 = 10,976.32/x
  3. Step 3: Cross multiply
    19,360x = 26,715.36 × 10,976.32
  4. Step 4: Simplify right side
    19,360x = 293,236,340.28
  5. Step 5: Solve for x
    x = 293,236,340.28/19,360
  6. Step 6: Final answer
    x = 15,146.51

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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.