Home / 15,440.09-21,290.39-10,052.58

Finding the Fourth Proportional to 15,440.09, 21,290.39 and 10,052.58

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Solution

The fourth proportional to 15,440.09, 21,290.39 and 10,052.58 is: 13,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.09 : 21,290.39 = 10,052.58 : x
  2. Step 2: Convert to fraction form
    15,440.09/21,290.39 = 10,052.58/x
  3. Step 3: Cross multiply
    15,440.09x = 21,290.39 × 10,052.58
  4. Step 4: Simplify right side
    15,440.09x = 214,023,298.44
  5. Step 5: Solve for x
    x = 214,023,298.44/15,440.09
  6. Step 6: Final answer
    x = 13,861.54

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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.