Home / 14,013.99-21,009.60-5,697.90

Finding the Fourth Proportional to 14,013.99, 21,009.60 and 5,697.90

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Solution

The fourth proportional to 14,013.99, 21,009.60 and 5,697.90 is: 8,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.99 : 21,009.60 = 5,697.90 : x
  2. Step 2: Convert to fraction form
    14,013.99/21,009.60 = 5,697.90/x
  3. Step 3: Cross multiply
    14,013.99x = 21,009.60 × 5,697.90
  4. Step 4: Simplify right side
    14,013.99x = 119,710,599.84
  5. Step 5: Solve for x
    x = 119,710,599.84/14,013.99
  6. Step 6: Final answer
    x = 8,542.22

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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.