Home / 8,699.47-13,047.56-2,459.43

Finding the Fourth Proportional to 8,699.47, 13,047.56 and 2,459.43

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Solution

The fourth proportional to 8,699.47, 13,047.56 and 2,459.43 is: 3,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.47 : 13,047.56 = 2,459.43 : x
  2. Step 2: Convert to fraction form
    8,699.47/13,047.56 = 2,459.43/x
  3. Step 3: Cross multiply
    8,699.47x = 13,047.56 × 2,459.43
  4. Step 4: Simplify right side
    8,699.47x = 32,089,615.57
  5. Step 5: Solve for x
    x = 32,089,615.57/8,699.47
  6. Step 6: Final answer
    x = 3,688.69

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1.5x scale

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.