Home / 15,714.20-23,570.60-4,621.25

Finding the Fourth Proportional to 15,714.20, 23,570.60 and 4,621.25

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Solution

The fourth proportional to 15,714.20, 23,570.60 and 4,621.25 is: 6,931.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,714.20 : 23,570.60 = 4,621.25 : x
  2. Step 2: Convert to fraction form
    15,714.20/23,570.60 = 4,621.25/x
  3. Step 3: Cross multiply
    15,714.20x = 23,570.60 × 4,621.25
  4. Step 4: Simplify right side
    15,714.20x = 108,925,671.07
  5. Step 5: Solve for x
    x = 108,925,671.07/15,714.20
  6. Step 6: Final answer
    x = 6,931.67

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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.