Home / 13,277.61-18,316.95-8,563.41

Finding the Fourth Proportional to 13,277.61, 18,316.95 and 8,563.41

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Solution

The fourth proportional to 13,277.61, 18,316.95 and 8,563.41 is: 11,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.61 : 18,316.95 = 8,563.41 : x
  2. Step 2: Convert to fraction form
    13,277.61/18,316.95 = 8,563.41/x
  3. Step 3: Cross multiply
    13,277.61x = 18,316.95 × 8,563.41
  4. Step 4: Simplify right side
    13,277.61x = 156,855,552.80
  5. Step 5: Solve for x
    x = 156,855,552.80/13,277.61
  6. Step 6: Final answer
    x = 11,813.54

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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.