Home / 18,806.77-28,208.67-9,437.23

Finding the Fourth Proportional to 18,806.77, 28,208.67 and 9,437.23

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Solution

The fourth proportional to 18,806.77, 28,208.67 and 9,437.23 is: 14,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.77 : 28,208.67 = 9,437.23 : x
  2. Step 2: Convert to fraction form
    18,806.77/28,208.67 = 9,437.23/x
  3. Step 3: Cross multiply
    18,806.77x = 28,208.67 × 9,437.23
  4. Step 4: Simplify right side
    18,806.77x = 266,211,706.78
  5. Step 5: Solve for x
    x = 266,211,706.78/18,806.77
  6. Step 6: Final answer
    x = 14,155.10

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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.