Home / 10,280.08-15,406.98-8,893.36

Finding the Fourth Proportional to 10,280.08, 15,406.98 and 8,893.36

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Solution

The fourth proportional to 10,280.08, 15,406.98 and 8,893.36 is: 13,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.08 : 15,406.98 = 8,893.36 : x
  2. Step 2: Convert to fraction form
    10,280.08/15,406.98 = 8,893.36/x
  3. Step 3: Cross multiply
    10,280.08x = 15,406.98 × 8,893.36
  4. Step 4: Simplify right side
    10,280.08x = 137,019,819.65
  5. Step 5: Solve for x
    x = 137,019,819.65/10,280.08
  6. Step 6: Final answer
    x = 13,328.67

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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.