Home / 21,552.90-29,738.54-12,598.67

Finding the Fourth Proportional to 21,552.90, 29,738.54 and 12,598.67

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Solution

The fourth proportional to 21,552.90, 29,738.54 and 12,598.67 is: 17,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.90 : 29,738.54 = 12,598.67 : x
  2. Step 2: Convert to fraction form
    21,552.90/29,738.54 = 12,598.67/x
  3. Step 3: Cross multiply
    21,552.90x = 29,738.54 × 12,598.67
  4. Step 4: Simplify right side
    21,552.90x = 374,666,051.74
  5. Step 5: Solve for x
    x = 374,666,051.74/21,552.90
  6. Step 6: Final answer
    x = 17,383.56

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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.