Home / 14,953.11-20,634.21-8,238.34

Finding the Fourth Proportional to 14,953.11, 20,634.21 and 8,238.34

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Solution

The fourth proportional to 14,953.11, 20,634.21 and 8,238.34 is: 11,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.11 : 20,634.21 = 8,238.34 : x
  2. Step 2: Convert to fraction form
    14,953.11/20,634.21 = 8,238.34/x
  3. Step 3: Cross multiply
    14,953.11x = 20,634.21 × 8,238.34
  4. Step 4: Simplify right side
    14,953.11x = 169,991,663.40
  5. Step 5: Solve for x
    x = 169,991,663.40/14,953.11
  6. Step 6: Final answer
    x = 11,368.32

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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.