Home / 21,313.74-29,411.34-12,362.46

Finding the Fourth Proportional to 21,313.74, 29,411.34 and 12,362.46

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Solution

The fourth proportional to 21,313.74, 29,411.34 and 12,362.46 is: 17,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,313.74 : 29,411.34 = 12,362.46 : x
  2. Step 2: Convert to fraction form
    21,313.74/29,411.34 = 12,362.46/x
  3. Step 3: Cross multiply
    21,313.74x = 29,411.34 × 12,362.46
  4. Step 4: Simplify right side
    21,313.74x = 363,596,514.30
  5. Step 5: Solve for x
    x = 363,596,514.30/21,313.74
  6. Step 6: Final answer
    x = 17,059.25

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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.