Home / 15,622.16-23,435.40-6,386

Finding the Fourth Proportional to 15,622.16, 23,435.40 and 6,386

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Solution

The fourth proportional to 15,622.16, 23,435.40 and 6,386 is: 9,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.16 : 23,435.40 = 6,386 : x
  2. Step 2: Convert to fraction form
    15,622.16/23,435.40 = 6,386/x
  3. Step 3: Cross multiply
    15,622.16x = 23,435.40 × 6,386
  4. Step 4: Simplify right side
    15,622.16x = 149,658,464.40
  5. Step 5: Solve for x
    x = 149,658,464.40/15,622.16
  6. Step 6: Final answer
    x = 9,579.88

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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.