Home / 10,555.80-14,570.33-6,309.99

Finding the Fourth Proportional to 10,555.80, 14,570.33 and 6,309.99

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Solution

The fourth proportional to 10,555.80, 14,570.33 and 6,309.99 is: 8,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.80 : 14,570.33 = 6,309.99 : x
  2. Step 2: Convert to fraction form
    10,555.80/14,570.33 = 6,309.99/x
  3. Step 3: Cross multiply
    10,555.80x = 14,570.33 × 6,309.99
  4. Step 4: Simplify right side
    10,555.80x = 91,938,605.05
  5. Step 5: Solve for x
    x = 91,938,605.05/10,555.80
  6. Step 6: Final answer
    x = 8,709.77

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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.