Home / 15,484.47-21,367.90-8,410.74

Finding the Fourth Proportional to 15,484.47, 21,367.90 and 8,410.74

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Solution

The fourth proportional to 15,484.47, 21,367.90 and 8,410.74 is: 11,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484.47 : 21,367.90 = 8,410.74 : x
  2. Step 2: Convert to fraction form
    15,484.47/21,367.90 = 8,410.74/x
  3. Step 3: Cross multiply
    15,484.47x = 21,367.90 × 8,410.74
  4. Step 4: Simplify right side
    15,484.47x = 179,719,851.25
  5. Step 5: Solve for x
    x = 179,719,851.25/15,484.47
  6. Step 6: Final answer
    x = 11,606.46

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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.