Home / 14,686.21-20,264.83-8,397.37

Finding the Fourth Proportional to 14,686.21, 20,264.83 and 8,397.37

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Solution

The fourth proportional to 14,686.21, 20,264.83 and 8,397.37 is: 11,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,686.21 : 20,264.83 = 8,397.37 : x
  2. Step 2: Convert to fraction form
    14,686.21/20,264.83 = 8,397.37/x
  3. Step 3: Cross multiply
    14,686.21x = 20,264.83 × 8,397.37
  4. Step 4: Simplify right side
    14,686.21x = 170,171,327.07
  5. Step 5: Solve for x
    x = 170,171,327.07/14,686.21
  6. Step 6: Final answer
    x = 11,587.15

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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.