Home / 14,274.88-19,707.97-9,315.52

Finding the Fourth Proportional to 14,274.88, 19,707.97 and 9,315.52

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Solution

The fourth proportional to 14,274.88, 19,707.97 and 9,315.52 is: 12,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.88 : 19,707.97 = 9,315.52 : x
  2. Step 2: Convert to fraction form
    14,274.88/19,707.97 = 9,315.52/x
  3. Step 3: Cross multiply
    14,274.88x = 19,707.97 × 9,315.52
  4. Step 4: Simplify right side
    14,274.88x = 183,589,890.15
  5. Step 5: Solve for x
    x = 183,589,890.15/14,274.88
  6. Step 6: Final answer
    x = 12,861.05

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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.