Home / 18,684.42-25,783.20-10,509.26

Finding the Fourth Proportional to 18,684.42, 25,783.20 and 10,509.26

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Solution

The fourth proportional to 18,684.42, 25,783.20 and 10,509.26 is: 14,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.42 : 25,783.20 = 10,509.26 : x
  2. Step 2: Convert to fraction form
    18,684.42/25,783.20 = 10,509.26/x
  3. Step 3: Cross multiply
    18,684.42x = 25,783.20 × 10,509.26
  4. Step 4: Simplify right side
    18,684.42x = 270,962,223.52
  5. Step 5: Solve for x
    x = 270,962,223.52/18,684.42
  6. Step 6: Final answer
    x = 14,502.04

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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.