Home / 15,858.90-23,783.61-4,762.62

Finding the Fourth Proportional to 15,858.90, 23,783.61 and 4,762.62

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Solution

The fourth proportional to 15,858.90, 23,783.61 and 4,762.62 is: 7,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.90 : 23,783.61 = 4,762.62 : x
  2. Step 2: Convert to fraction form
    15,858.90/23,783.61 = 4,762.62/x
  3. Step 3: Cross multiply
    15,858.90x = 23,783.61 × 4,762.62
  4. Step 4: Simplify right side
    15,858.90x = 113,272,296.66
  5. Step 5: Solve for x
    x = 113,272,296.66/15,858.90
  6. Step 6: Final answer
    x = 7,142.51

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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.