Home / 19,370.75-26,731.64-10,538.75

Finding the Fourth Proportional to 19,370.75, 26,731.64 and 10,538.75

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Solution

The fourth proportional to 19,370.75, 26,731.64 and 10,538.75 is: 14,543.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.75 : 26,731.64 = 10,538.75 : x
  2. Step 2: Convert to fraction form
    19,370.75/26,731.64 = 10,538.75/x
  3. Step 3: Cross multiply
    19,370.75x = 26,731.64 × 10,538.75
  4. Step 4: Simplify right side
    19,370.75x = 281,718,071.05
  5. Step 5: Solve for x
    x = 281,718,071.05/19,370.75
  6. Step 6: Final answer
    x = 14,543.48

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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.