Home / 21,434.48-32,153.16-8,955.44

Finding the Fourth Proportional to 21,434.48, 32,153.16 and 8,955.44

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Solution

The fourth proportional to 21,434.48, 32,153.16 and 8,955.44 is: 13,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,434.48 : 32,153.16 = 8,955.44 : x
  2. Step 2: Convert to fraction form
    21,434.48/32,153.16 = 8,955.44/x
  3. Step 3: Cross multiply
    21,434.48x = 32,153.16 × 8,955.44
  4. Step 4: Simplify right side
    21,434.48x = 287,945,695.19
  5. Step 5: Solve for x
    x = 287,945,695.19/21,434.48
  6. Step 6: Final answer
    x = 13,433.76

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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.