Home / 21,440.34-29,589.03-12,010.32

Finding the Fourth Proportional to 21,440.34, 29,589.03 and 12,010.32

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Solution

The fourth proportional to 21,440.34, 29,589.03 and 12,010.32 is: 16,575.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.34 : 29,589.03 = 12,010.32 : x
  2. Step 2: Convert to fraction form
    21,440.34/29,589.03 = 12,010.32/x
  3. Step 3: Cross multiply
    21,440.34x = 29,589.03 × 12,010.32
  4. Step 4: Simplify right side
    21,440.34x = 355,373,718.79
  5. Step 5: Solve for x
    x = 355,373,718.79/21,440.34
  6. Step 6: Final answer
    x = 16,575.00

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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.