Home / 14,589.47-20,116.92-12,684.35

Finding the Fourth Proportional to 14,589.47, 20,116.92 and 12,684.35

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Solution

The fourth proportional to 14,589.47, 20,116.92 and 12,684.35 is: 17,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.47 : 20,116.92 = 12,684.35 : x
  2. Step 2: Convert to fraction form
    14,589.47/20,116.92 = 12,684.35/x
  3. Step 3: Cross multiply
    14,589.47x = 20,116.92 × 12,684.35
  4. Step 4: Simplify right side
    14,589.47x = 255,170,152.06
  5. Step 5: Solve for x
    x = 255,170,152.06/14,589.47
  6. Step 6: Final answer
    x = 17,490.02

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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.