Home / 11,130.50-15,360.57-6,162.50

Finding the Fourth Proportional to 11,130.50, 15,360.57 and 6,162.50

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Solution

The fourth proportional to 11,130.50, 15,360.57 and 6,162.50 is: 8,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.50 : 15,360.57 = 6,162.50 : x
  2. Step 2: Convert to fraction form
    11,130.50/15,360.57 = 6,162.50/x
  3. Step 3: Cross multiply
    11,130.50x = 15,360.57 × 6,162.50
  4. Step 4: Simplify right side
    11,130.50x = 94,659,512.63
  5. Step 5: Solve for x
    x = 94,659,512.63/11,130.50
  6. Step 6: Final answer
    x = 8,504.52

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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.