Home / 10,013.96-13,804.60-7,020.76

Finding the Fourth Proportional to 10,013.96, 13,804.60 and 7,020.76

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Solution

The fourth proportional to 10,013.96, 13,804.60 and 7,020.76 is: 9,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.96 : 13,804.60 = 7,020.76 : x
  2. Step 2: Convert to fraction form
    10,013.96/13,804.60 = 7,020.76/x
  3. Step 3: Cross multiply
    10,013.96x = 13,804.60 × 7,020.76
  4. Step 4: Simplify right side
    10,013.96x = 96,918,783.50
  5. Step 5: Solve for x
    x = 96,918,783.50/10,013.96
  6. Step 6: Final answer
    x = 9,678.37

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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.