Home / 14,102.01-21,148.16-5,779.67

Finding the Fourth Proportional to 14,102.01, 21,148.16 and 5,779.67

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Solution

The fourth proportional to 14,102.01, 21,148.16 and 5,779.67 is: 8,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.01 : 21,148.16 = 5,779.67 : x
  2. Step 2: Convert to fraction form
    14,102.01/21,148.16 = 5,779.67/x
  3. Step 3: Cross multiply
    14,102.01x = 21,148.16 × 5,779.67
  4. Step 4: Simplify right side
    14,102.01x = 122,229,251.27
  5. Step 5: Solve for x
    x = 122,229,251.27/14,102.01
  6. Step 6: Final answer
    x = 8,667.51

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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.