Home / 14,107.37-21,158.01-5,779.22

Finding the Fourth Proportional to 14,107.37, 21,158.01 and 5,779.22

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Solution

The fourth proportional to 14,107.37, 21,158.01 and 5,779.22 is: 8,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.37 : 21,158.01 = 5,779.22 : x
  2. Step 2: Convert to fraction form
    14,107.37/21,158.01 = 5,779.22/x
  3. Step 3: Cross multiply
    14,107.37x = 21,158.01 × 5,779.22
  4. Step 4: Simplify right side
    14,107.37x = 122,276,688.76
  5. Step 5: Solve for x
    x = 122,276,688.76/14,107.37
  6. Step 6: Final answer
    x = 8,667.58

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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.