Home / 11,056.77-15,260.31-7,077.74

Finding the Fourth Proportional to 11,056.77, 15,260.31 and 7,077.74

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Solution

The fourth proportional to 11,056.77, 15,260.31 and 7,077.74 is: 9,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.77 : 15,260.31 = 7,077.74 : x
  2. Step 2: Convert to fraction form
    11,056.77/15,260.31 = 7,077.74/x
  3. Step 3: Cross multiply
    11,056.77x = 15,260.31 × 7,077.74
  4. Step 4: Simplify right side
    11,056.77x = 108,008,430.20
  5. Step 5: Solve for x
    x = 108,008,430.20/11,056.77
  6. Step 6: Final answer
    x = 9,768.53

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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.