Home / 22,854.98-31,539.60-12,783.26

Finding the Fourth Proportional to 22,854.98, 31,539.60 and 12,783.26

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Solution

The fourth proportional to 22,854.98, 31,539.60 and 12,783.26 is: 17,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,854.98 : 31,539.60 = 12,783.26 : x
  2. Step 2: Convert to fraction form
    22,854.98/31,539.60 = 12,783.26/x
  3. Step 3: Cross multiply
    22,854.98x = 31,539.60 × 12,783.26
  4. Step 4: Simplify right side
    22,854.98x = 403,178,907.10
  5. Step 5: Solve for x
    x = 403,178,907.10/22,854.98
  6. Step 6: Final answer
    x = 17,640.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.