Home / 15,319.78-22,977.93-5,322.61

Finding the Fourth Proportional to 15,319.78, 22,977.93 and 5,322.61

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Solution

The fourth proportional to 15,319.78, 22,977.93 and 5,322.61 is: 7,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.78 : 22,977.93 = 5,322.61 : x
  2. Step 2: Convert to fraction form
    15,319.78/22,977.93 = 5,322.61/x
  3. Step 3: Cross multiply
    15,319.78x = 22,977.93 × 5,322.61
  4. Step 4: Simplify right side
    15,319.78x = 122,302,578.74
  5. Step 5: Solve for x
    x = 122,302,578.74/15,319.78
  6. Step 6: Final answer
    x = 7,983.31

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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.