Home / 18,741.16-28,106.76-6,261.64

Finding the Fourth Proportional to 18,741.16, 28,106.76 and 6,261.64

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Solution

The fourth proportional to 18,741.16, 28,106.76 and 6,261.64 is: 9,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.16 : 28,106.76 = 6,261.64 : x
  2. Step 2: Convert to fraction form
    18,741.16/28,106.76 = 6,261.64/x
  3. Step 3: Cross multiply
    18,741.16x = 28,106.76 × 6,261.64
  4. Step 4: Simplify right side
    18,741.16x = 175,994,412.69
  5. Step 5: Solve for x
    x = 175,994,412.69/18,741.16
  6. Step 6: Final answer
    x = 9,390.80

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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.