Home / 15,438.99-23,159.84-4,345.77

Finding the Fourth Proportional to 15,438.99, 23,159.84 and 4,345.77

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Solution

The fourth proportional to 15,438.99, 23,159.84 and 4,345.77 is: 6,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.99 : 23,159.84 = 4,345.77 : x
  2. Step 2: Convert to fraction form
    15,438.99/23,159.84 = 4,345.77/x
  3. Step 3: Cross multiply
    15,438.99x = 23,159.84 × 4,345.77
  4. Step 4: Simplify right side
    15,438.99x = 100,647,316.15
  5. Step 5: Solve for x
    x = 100,647,316.15/15,438.99
  6. Step 6: Final answer
    x = 6,519.03

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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.