Home / 38,621.48-57,925.74-10,913

Finding the Fourth Proportional to 38,621.48, 57,925.74 and 10,913

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Solution

The fourth proportional to 38,621.48, 57,925.74 and 10,913 is: 16,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.48 : 57,925.74 = 10,913 : x
  2. Step 2: Convert to fraction form
    38,621.48/57,925.74 = 10,913/x
  3. Step 3: Cross multiply
    38,621.48x = 57,925.74 × 10,913
  4. Step 4: Simplify right side
    38,621.48x = 632,143,600.62
  5. Step 5: Solve for x
    x = 632,143,600.62/38,621.48
  6. Step 6: Final answer
    x = 16,367.67

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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.