Home / 18,783.63-28,176.66-6,303.15

Finding the Fourth Proportional to 18,783.63, 28,176.66 and 6,303.15

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Solution

The fourth proportional to 18,783.63, 28,176.66 and 6,303.15 is: 9,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783.63 : 28,176.66 = 6,303.15 : x
  2. Step 2: Convert to fraction form
    18,783.63/28,176.66 = 6,303.15/x
  3. Step 3: Cross multiply
    18,783.63x = 28,176.66 × 6,303.15
  4. Step 4: Simplify right side
    18,783.63x = 177,601,714.48
  5. Step 5: Solve for x
    x = 177,601,714.48/18,783.63
  6. Step 6: Final answer
    x = 9,455.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.