Home / 19,288.32-26,618.40-10,790.16

Finding the Fourth Proportional to 19,288.32, 26,618.40 and 10,790.16

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Solution

The fourth proportional to 19,288.32, 26,618.40 and 10,790.16 is: 14,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.32 : 26,618.40 = 10,790.16 : x
  2. Step 2: Convert to fraction form
    19,288.32/26,618.40 = 10,790.16/x
  3. Step 3: Cross multiply
    19,288.32x = 26,618.40 × 10,790.16
  4. Step 4: Simplify right side
    19,288.32x = 287,216,794.94
  5. Step 5: Solve for x
    x = 287,216,794.94/19,288.32
  6. Step 6: Final answer
    x = 14,890.71

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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.