Home / 10,321.64-15,480.23-5,051.18

Finding the Fourth Proportional to 10,321.64, 15,480.23 and 5,051.18

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Solution

The fourth proportional to 10,321.64, 15,480.23 and 5,051.18 is: 7,575.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.64 : 15,480.23 = 5,051.18 : x
  2. Step 2: Convert to fraction form
    10,321.64/15,480.23 = 5,051.18/x
  3. Step 3: Cross multiply
    10,321.64x = 15,480.23 × 5,051.18
  4. Step 4: Simplify right side
    10,321.64x = 78,193,325.51
  5. Step 5: Solve for x
    x = 78,193,325.51/10,321.64
  6. Step 6: Final answer
    x = 7,575.67

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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.