Home / 11,569.44-15,957.60-7,985.76

Finding the Fourth Proportional to 11,569.44, 15,957.60 and 7,985.76

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Solution

The fourth proportional to 11,569.44, 15,957.60 and 7,985.76 is: 11,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,569.44 : 15,957.60 = 7,985.76 : x
  2. Step 2: Convert to fraction form
    11,569.44/15,957.60 = 7,985.76/x
  3. Step 3: Cross multiply
    11,569.44x = 15,957.60 × 7,985.76
  4. Step 4: Simplify right side
    11,569.44x = 127,433,563.78
  5. Step 5: Solve for x
    x = 127,433,563.78/11,569.44
  6. Step 6: Final answer
    x = 11,014.67

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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.