Home / 21,763.16-30,035.04-12,334.76

Finding the Fourth Proportional to 21,763.16, 30,035.04 and 12,334.76

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Solution

The fourth proportional to 21,763.16, 30,035.04 and 12,334.76 is: 17,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.16 : 30,035.04 = 12,334.76 : x
  2. Step 2: Convert to fraction form
    21,763.16/30,035.04 = 12,334.76/x
  3. Step 3: Cross multiply
    21,763.16x = 30,035.04 × 12,334.76
  4. Step 4: Simplify right side
    21,763.16x = 370,475,009.99
  5. Step 5: Solve for x
    x = 370,475,009.99/21,763.16
  6. Step 6: Final answer
    x = 17,023.03

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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.