Home / 14,269.63-19,700.00-8,605.80

Finding the Fourth Proportional to 14,269.63, 19,700.00 and 8,605.80

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Solution

The fourth proportional to 14,269.63, 19,700.00 and 8,605.80 is: 11,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.63 : 19,700.00 = 8,605.80 : x
  2. Step 2: Convert to fraction form
    14,269.63/19,700.00 = 8,605.80/x
  3. Step 3: Cross multiply
    14,269.63x = 19,700.00 × 8,605.80
  4. Step 4: Simplify right side
    14,269.63x = 169,534,328.85
  5. Step 5: Solve for x
    x = 169,534,328.85/14,269.63
  6. Step 6: Final answer
    x = 11,880.78

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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.