Home / 14,298.40-19,733.76-8,331.94

Finding the Fourth Proportional to 14,298.40, 19,733.76 and 8,331.94

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Solution

The fourth proportional to 14,298.40, 19,733.76 and 8,331.94 is: 11,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.40 : 19,733.76 = 8,331.94 : x
  2. Step 2: Convert to fraction form
    14,298.40/19,733.76 = 8,331.94/x
  3. Step 3: Cross multiply
    14,298.40x = 19,733.76 × 8,331.94
  4. Step 4: Simplify right side
    14,298.40x = 164,420,504.29
  5. Step 5: Solve for x
    x = 164,420,504.29/14,298.40
  6. Step 6: Final answer
    x = 11,499.22

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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.