Home / 10,427.89-15,641.70-2,530.47

Finding the Fourth Proportional to 10,427.89, 15,641.70 and 2,530.47

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Solution

The fourth proportional to 10,427.89, 15,641.70 and 2,530.47 is: 3,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.89 : 15,641.70 = 2,530.47 : x
  2. Step 2: Convert to fraction form
    10,427.89/15,641.70 = 2,530.47/x
  3. Step 3: Cross multiply
    10,427.89x = 15,641.70 × 2,530.47
  4. Step 4: Simplify right side
    10,427.89x = 39,580,852.60
  5. Step 5: Solve for x
    x = 39,580,852.60/10,427.89
  6. Step 6: Final answer
    x = 3,795.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.