Home / 10,445.40-15,674.48-4,523.87

Finding the Fourth Proportional to 10,445.40, 15,674.48 and 4,523.87

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Solution

The fourth proportional to 10,445.40, 15,674.48 and 4,523.87 is: 6,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.40 : 15,674.48 = 4,523.87 : x
  2. Step 2: Convert to fraction form
    10,445.40/15,674.48 = 4,523.87/x
  3. Step 3: Cross multiply
    10,445.40x = 15,674.48 × 4,523.87
  4. Step 4: Simplify right side
    10,445.40x = 70,909,309.84
  5. Step 5: Solve for x
    x = 70,909,309.84/10,445.40
  6. Step 6: Final answer
    x = 6,788.57

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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.