Home / 15,407.97-21,263.01-8,334.39

Finding the Fourth Proportional to 15,407.97, 21,263.01 and 8,334.39

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Solution

The fourth proportional to 15,407.97, 21,263.01 and 8,334.39 is: 11,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.97 : 21,263.01 = 8,334.39 : x
  2. Step 2: Convert to fraction form
    15,407.97/21,263.01 = 8,334.39/x
  3. Step 3: Cross multiply
    15,407.97x = 21,263.01 × 8,334.39
  4. Step 4: Simplify right side
    15,407.97x = 177,214,217.91
  5. Step 5: Solve for x
    x = 177,214,217.91/15,407.97
  6. Step 6: Final answer
    x = 11,501.46

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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.