Home / 21,765.04-30,035.70-12,333.58

Finding the Fourth Proportional to 21,765.04, 30,035.70 and 12,333.58

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Solution

The fourth proportional to 21,765.04, 30,035.70 and 12,333.58 is: 17,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765.04 : 30,035.70 = 12,333.58 : x
  2. Step 2: Convert to fraction form
    21,765.04/30,035.70 = 12,333.58/x
  3. Step 3: Cross multiply
    21,765.04x = 30,035.70 × 12,333.58
  4. Step 4: Simplify right side
    21,765.04x = 370,447,708.81
  5. Step 5: Solve for x
    x = 370,447,708.81/21,765.04
  6. Step 6: Final answer
    x = 17,020.31

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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.