Home / 10,138.23-15,210.60-4,873.62

Finding the Fourth Proportional to 10,138.23, 15,210.60 and 4,873.62

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Solution

The fourth proportional to 10,138.23, 15,210.60 and 4,873.62 is: 7,311.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.23 : 15,210.60 = 4,873.62 : x
  2. Step 2: Convert to fraction form
    10,138.23/15,210.60 = 4,873.62/x
  3. Step 3: Cross multiply
    10,138.23x = 15,210.60 × 4,873.62
  4. Step 4: Simplify right side
    10,138.23x = 74,130,684.37
  5. Step 5: Solve for x
    x = 74,130,684.37/10,138.23
  6. Step 6: Final answer
    x = 7,311.99

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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.