Home / 15,333.17-21,153.78-8,617.26

Finding the Fourth Proportional to 15,333.17, 21,153.78 and 8,617.26

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Solution

The fourth proportional to 15,333.17, 21,153.78 and 8,617.26 is: 11,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333.17 : 21,153.78 = 8,617.26 : x
  2. Step 2: Convert to fraction form
    15,333.17/21,153.78 = 8,617.26/x
  3. Step 3: Cross multiply
    15,333.17x = 21,153.78 × 8,617.26
  4. Step 4: Simplify right side
    15,333.17x = 182,287,622.24
  5. Step 5: Solve for x
    x = 182,287,622.24/15,333.17
  6. Step 6: Final answer
    x = 11,888.45

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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.