Home / 11,316.53-15,615.77-6,280.67

Finding the Fourth Proportional to 11,316.53, 15,615.77 and 6,280.67

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Solution

The fourth proportional to 11,316.53, 15,615.77 and 6,280.67 is: 8,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.53 : 15,615.77 = 6,280.67 : x
  2. Step 2: Convert to fraction form
    11,316.53/15,615.77 = 6,280.67/x
  3. Step 3: Cross multiply
    11,316.53x = 15,615.77 × 6,280.67
  4. Step 4: Simplify right side
    11,316.53x = 98,077,388.68
  5. Step 5: Solve for x
    x = 98,077,388.68/11,316.53
  6. Step 6: Final answer
    x = 8,666.74

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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.