Home / 19,505.50-26,915.63-11,006.84

Finding the Fourth Proportional to 19,505.50, 26,915.63 and 11,006.84

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Solution

The fourth proportional to 19,505.50, 26,915.63 and 11,006.84 is: 15,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,505.50 : 26,915.63 = 11,006.84 : x
  2. Step 2: Convert to fraction form
    19,505.50/26,915.63 = 11,006.84/x
  3. Step 3: Cross multiply
    19,505.50x = 26,915.63 × 11,006.84
  4. Step 4: Simplify right side
    19,505.50x = 296,256,045.16
  5. Step 5: Solve for x
    x = 296,256,045.16/19,505.50
  6. Step 6: Final answer
    x = 15,188.34

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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.