Home / 15,782.16-23,671.14-4,688.64

Finding the Fourth Proportional to 15,782.16, 23,671.14 and 4,688.64

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Solution

The fourth proportional to 15,782.16, 23,671.14 and 4,688.64 is: 7,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.16 : 23,671.14 = 4,688.64 : x
  2. Step 2: Convert to fraction form
    15,782.16/23,671.14 = 4,688.64/x
  3. Step 3: Cross multiply
    15,782.16x = 23,671.14 × 4,688.64
  4. Step 4: Simplify right side
    15,782.16x = 110,985,453.85
  5. Step 5: Solve for x
    x = 110,985,453.85/15,782.16
  6. Step 6: Final answer
    x = 7,032.34

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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.