Home / 15,583.17-21,504.75-9,212.06

Finding the Fourth Proportional to 15,583.17, 21,504.75 and 9,212.06

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Solution

The fourth proportional to 15,583.17, 21,504.75 and 9,212.06 is: 12,712.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.17 : 21,504.75 = 9,212.06 : x
  2. Step 2: Convert to fraction form
    15,583.17/21,504.75 = 9,212.06/x
  3. Step 3: Cross multiply
    15,583.17x = 21,504.75 × 9,212.06
  4. Step 4: Simplify right side
    15,583.17x = 198,102,962.79
  5. Step 5: Solve for x
    x = 198,102,962.79/15,583.17
  6. Step 6: Final answer
    x = 12,712.62

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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.