Home / 15,485.70-23,228.68-4,955.81

Finding the Fourth Proportional to 15,485.70, 23,228.68 and 4,955.81

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Solution

The fourth proportional to 15,485.70, 23,228.68 and 4,955.81 is: 7,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.70 : 23,228.68 = 4,955.81 : x
  2. Step 2: Convert to fraction form
    15,485.70/23,228.68 = 4,955.81/x
  3. Step 3: Cross multiply
    15,485.70x = 23,228.68 × 4,955.81
  4. Step 4: Simplify right side
    15,485.70x = 115,116,924.63
  5. Step 5: Solve for x
    x = 115,116,924.63/15,485.70
  6. Step 6: Final answer
    x = 7,433.76

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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.