Home / 21,045.77-29,048.13-12,098.46

Finding the Fourth Proportional to 21,045.77, 29,048.13 and 12,098.46

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Solution

The fourth proportional to 21,045.77, 29,048.13 and 12,098.46 is: 16,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.77 : 29,048.13 = 12,098.46 : x
  2. Step 2: Convert to fraction form
    21,045.77/29,048.13 = 12,098.46/x
  3. Step 3: Cross multiply
    21,045.77x = 29,048.13 × 12,098.46
  4. Step 4: Simplify right side
    21,045.77x = 351,437,638.88
  5. Step 5: Solve for x
    x = 351,437,638.88/21,045.77
  6. Step 6: Final answer
    x = 16,698.73

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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.