Home / 15,756.64-23,623.32-5,222.84

Finding the Fourth Proportional to 15,756.64, 23,623.32 and 5,222.84

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Solution

The fourth proportional to 15,756.64, 23,623.32 and 5,222.84 is: 7,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756.64 : 23,623.32 = 5,222.84 : x
  2. Step 2: Convert to fraction form
    15,756.64/23,623.32 = 5,222.84/x
  3. Step 3: Cross multiply
    15,756.64x = 23,623.32 × 5,222.84
  4. Step 4: Simplify right side
    15,756.64x = 123,380,820.63
  5. Step 5: Solve for x
    x = 123,380,820.63/15,756.64
  6. Step 6: Final answer
    x = 7,830.40

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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.