Home / 14,729.51-20,325.23-8,356.43

Finding the Fourth Proportional to 14,729.51, 20,325.23 and 8,356.43

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Solution

The fourth proportional to 14,729.51, 20,325.23 and 8,356.43 is: 11,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.51 : 20,325.23 = 8,356.43 : x
  2. Step 2: Convert to fraction form
    14,729.51/20,325.23 = 8,356.43/x
  3. Step 3: Cross multiply
    14,729.51x = 20,325.23 × 8,356.43
  4. Step 4: Simplify right side
    14,729.51x = 169,846,402.10
  5. Step 5: Solve for x
    x = 169,846,402.10/14,729.51
  6. Step 6: Final answer
    x = 11,531.03

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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.