Home / 15,430.74-23,144.30-4,338.37

Finding the Fourth Proportional to 15,430.74, 23,144.30 and 4,338.37

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Solution

The fourth proportional to 15,430.74, 23,144.30 and 4,338.37 is: 6,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.74 : 23,144.30 = 4,338.37 : x
  2. Step 2: Convert to fraction form
    15,430.74/23,144.30 = 4,338.37/x
  3. Step 3: Cross multiply
    15,430.74x = 23,144.30 × 4,338.37
  4. Step 4: Simplify right side
    15,430.74x = 100,408,536.79
  5. Step 5: Solve for x
    x = 100,408,536.79/15,430.74
  6. Step 6: Final answer
    x = 6,507.05

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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.