Home / 14,002.84-21,008.10-7,339.78

Finding the Fourth Proportional to 14,002.84, 21,008.10 and 7,339.78

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Solution

The fourth proportional to 14,002.84, 21,008.10 and 7,339.78 is: 11,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.84 : 21,008.10 = 7,339.78 : x
  2. Step 2: Convert to fraction form
    14,002.84/21,008.10 = 7,339.78/x
  3. Step 3: Cross multiply
    14,002.84x = 21,008.10 × 7,339.78
  4. Step 4: Simplify right side
    14,002.84x = 154,194,832.22
  5. Step 5: Solve for x
    x = 154,194,832.22/14,002.84
  6. Step 6: Final answer
    x = 11,011.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.