Home / 19,128.76-26,397.24-10,745.32

Finding the Fourth Proportional to 19,128.76, 26,397.24 and 10,745.32

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Solution

The fourth proportional to 19,128.76, 26,397.24 and 10,745.32 is: 14,828.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.76 : 26,397.24 = 10,745.32 : x
  2. Step 2: Convert to fraction form
    19,128.76/26,397.24 = 10,745.32/x
  3. Step 3: Cross multiply
    19,128.76x = 26,397.24 × 10,745.32
  4. Step 4: Simplify right side
    19,128.76x = 283,646,790.92
  5. Step 5: Solve for x
    x = 283,646,790.92/19,128.76
  6. Step 6: Final answer
    x = 14,828.29

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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.