Home / 14,559.39-20,091.93-8,271.75

Finding the Fourth Proportional to 14,559.39, 20,091.93 and 8,271.75

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Solution

The fourth proportional to 14,559.39, 20,091.93 and 8,271.75 is: 11,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.39 : 20,091.93 = 8,271.75 : x
  2. Step 2: Convert to fraction form
    14,559.39/20,091.93 = 8,271.75/x
  3. Step 3: Cross multiply
    14,559.39x = 20,091.93 × 8,271.75
  4. Step 4: Simplify right side
    14,559.39x = 166,195,421.98
  5. Step 5: Solve for x
    x = 166,195,421.98/14,559.39
  6. Step 6: Final answer
    x = 11,415.00

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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.