Home / 14,430.21-19,897.61-11,835.30

Finding the Fourth Proportional to 14,430.21, 19,897.61 and 11,835.30

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Solution

The fourth proportional to 14,430.21, 19,897.61 and 11,835.30 is: 16,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.21 : 19,897.61 = 11,835.30 : x
  2. Step 2: Convert to fraction form
    14,430.21/19,897.61 = 11,835.30/x
  3. Step 3: Cross multiply
    14,430.21x = 19,897.61 × 11,835.30
  4. Step 4: Simplify right side
    14,430.21x = 235,494,183.63
  5. Step 5: Solve for x
    x = 235,494,183.63/14,430.21
  6. Step 6: Final answer
    x = 16,319.53

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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.