Home / 14,440.98-19,929.90-8,774.43

Finding the Fourth Proportional to 14,440.98, 19,929.90 and 8,774.43

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Solution

The fourth proportional to 14,440.98, 19,929.90 and 8,774.43 is: 12,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.98 : 19,929.90 = 8,774.43 : x
  2. Step 2: Convert to fraction form
    14,440.98/19,929.90 = 8,774.43/x
  3. Step 3: Cross multiply
    14,440.98x = 19,929.90 × 8,774.43
  4. Step 4: Simplify right side
    14,440.98x = 174,873,421.27
  5. Step 5: Solve for x
    x = 174,873,421.27/14,440.98
  6. Step 6: Final answer
    x = 12,109.52

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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.