Home / 15,168.81-22,756.23-4,640.31

Finding the Fourth Proportional to 15,168.81, 22,756.23 and 4,640.31

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Solution

The fourth proportional to 15,168.81, 22,756.23 and 4,640.31 is: 6,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.81 : 22,756.23 = 4,640.31 : x
  2. Step 2: Convert to fraction form
    15,168.81/22,756.23 = 4,640.31/x
  3. Step 3: Cross multiply
    15,168.81x = 22,756.23 × 4,640.31
  4. Step 4: Simplify right side
    15,168.81x = 105,595,961.63
  5. Step 5: Solve for x
    x = 105,595,961.63/15,168.81
  6. Step 6: Final answer
    x = 6,961.39

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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.