Home / 11,148.07-15,384.51-6,112.75

Finding the Fourth Proportional to 11,148.07, 15,384.51 and 6,112.75

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Solution

The fourth proportional to 11,148.07, 15,384.51 and 6,112.75 is: 8,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.07 : 15,384.51 = 6,112.75 : x
  2. Step 2: Convert to fraction form
    11,148.07/15,384.51 = 6,112.75/x
  3. Step 3: Cross multiply
    11,148.07x = 15,384.51 × 6,112.75
  4. Step 4: Simplify right side
    11,148.07x = 94,041,663.50
  5. Step 5: Solve for x
    x = 94,041,663.50/11,148.07
  6. Step 6: Final answer
    x = 8,435.69

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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.