Home / 15,504.76-21,406.44-10,208.71

Finding the Fourth Proportional to 15,504.76, 21,406.44 and 10,208.71

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Solution

The fourth proportional to 15,504.76, 21,406.44 and 10,208.71 is: 14,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504.76 : 21,406.44 = 10,208.71 : x
  2. Step 2: Convert to fraction form
    15,504.76/21,406.44 = 10,208.71/x
  3. Step 3: Cross multiply
    15,504.76x = 21,406.44 × 10,208.71
  4. Step 4: Simplify right side
    15,504.76x = 218,532,138.09
  5. Step 5: Solve for x
    x = 218,532,138.09/15,504.76
  6. Step 6: Final answer
    x = 14,094.52

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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.