Home / 11,113.21-15,336.24-6,077.45

Finding the Fourth Proportional to 11,113.21, 15,336.24 and 6,077.45

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Solution

The fourth proportional to 11,113.21, 15,336.24 and 6,077.45 is: 8,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.21 : 15,336.24 = 6,077.45 : x
  2. Step 2: Convert to fraction form
    11,113.21/15,336.24 = 6,077.45/x
  3. Step 3: Cross multiply
    11,113.21x = 15,336.24 × 6,077.45
  4. Step 4: Simplify right side
    11,113.21x = 93,205,231.79
  5. Step 5: Solve for x
    x = 93,205,231.79/11,113.21
  6. Step 6: Final answer
    x = 8,386.89

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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.