Home / 15,722.12-23,583.54-5,188.76

Finding the Fourth Proportional to 15,722.12, 23,583.54 and 5,188.76

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Solution

The fourth proportional to 15,722.12, 23,583.54 and 5,188.76 is: 7,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,722.12 : 23,583.54 = 5,188.76 : x
  2. Step 2: Convert to fraction form
    15,722.12/23,583.54 = 5,188.76/x
  3. Step 3: Cross multiply
    15,722.12x = 23,583.54 × 5,188.76
  4. Step 4: Simplify right side
    15,722.12x = 122,369,329.01
  5. Step 5: Solve for x
    x = 122,369,329.01/15,722.12
  6. Step 6: Final answer
    x = 7,783.26

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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.