Home / 19,531.34-26,951.32-10,915.93

Finding the Fourth Proportional to 19,531.34, 26,951.32 and 10,915.93

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Solution

The fourth proportional to 19,531.34, 26,951.32 and 10,915.93 is: 15,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.34 : 26,951.32 = 10,915.93 : x
  2. Step 2: Convert to fraction form
    19,531.34/26,951.32 = 10,915.93/x
  3. Step 3: Cross multiply
    19,531.34x = 26,951.32 × 10,915.93
  4. Step 4: Simplify right side
    19,531.34x = 294,198,769.86
  5. Step 5: Solve for x
    x = 294,198,769.86/19,531.34
  6. Step 6: Final answer
    x = 15,062.91

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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.