Home / 15,407.90-21,262.83-8,334.26

Finding the Fourth Proportional to 15,407.90, 21,262.83 and 8,334.26

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Solution

The fourth proportional to 15,407.90, 21,262.83 and 8,334.26 is: 11,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.90 : 21,262.83 = 8,334.26 : x
  2. Step 2: Convert to fraction form
    15,407.90/21,262.83 = 8,334.26/x
  3. Step 3: Cross multiply
    15,407.90x = 21,262.83 × 8,334.26
  4. Step 4: Simplify right side
    15,407.90x = 177,209,953.56
  5. Step 5: Solve for x
    x = 177,209,953.56/15,407.90
  6. Step 6: Final answer
    x = 11,501.24

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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.