Home / 18,650.16-25,736.46-10,686.84

Finding the Fourth Proportional to 18,650.16, 25,736.46 and 10,686.84

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Solution

The fourth proportional to 18,650.16, 25,736.46 and 10,686.84 is: 14,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.16 : 25,736.46 = 10,686.84 : x
  2. Step 2: Convert to fraction form
    18,650.16/25,736.46 = 10,686.84/x
  3. Step 3: Cross multiply
    18,650.16x = 25,736.46 × 10,686.84
  4. Step 4: Simplify right side
    18,650.16x = 275,041,430.19
  5. Step 5: Solve for x
    x = 275,041,430.19/18,650.16
  6. Step 6: Final answer
    x = 14,747.40

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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.