Home / 14,680.64-20,259.26-8,393.16

Finding the Fourth Proportional to 14,680.64, 20,259.26 and 8,393.16

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Solution

The fourth proportional to 14,680.64, 20,259.26 and 8,393.16 is: 11,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.64 : 20,259.26 = 8,393.16 : x
  2. Step 2: Convert to fraction form
    14,680.64/20,259.26 = 8,393.16/x
  3. Step 3: Cross multiply
    14,680.64x = 20,259.26 × 8,393.16
  4. Step 4: Simplify right side
    14,680.64x = 170,039,210.66
  5. Step 5: Solve for x
    x = 170,039,210.66/14,680.64
  6. Step 6: Final answer
    x = 11,582.55

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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.