Home / 10,347.12-15,523.56-3,426.48

Finding the Fourth Proportional to 10,347.12, 15,523.56 and 3,426.48

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Solution

The fourth proportional to 10,347.12, 15,523.56 and 3,426.48 is: 5,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.12 : 15,523.56 = 3,426.48 : x
  2. Step 2: Convert to fraction form
    10,347.12/15,523.56 = 3,426.48/x
  3. Step 3: Cross multiply
    10,347.12x = 15,523.56 × 3,426.48
  4. Step 4: Simplify right side
    10,347.12x = 53,191,167.87
  5. Step 5: Solve for x
    x = 53,191,167.87/10,347.12
  6. Step 6: Final answer
    x = 5,140.67

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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.