Home / 13,670.94-18,862.59-7,702.62

Finding the Fourth Proportional to 13,670.94, 18,862.59 and 7,702.62

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Solution

The fourth proportional to 13,670.94, 18,862.59 and 7,702.62 is: 10,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670.94 : 18,862.59 = 7,702.62 : x
  2. Step 2: Convert to fraction form
    13,670.94/18,862.59 = 7,702.62/x
  3. Step 3: Cross multiply
    13,670.94x = 18,862.59 × 7,702.62
  4. Step 4: Simplify right side
    13,670.94x = 145,291,362.99
  5. Step 5: Solve for x
    x = 145,291,362.99/13,670.94
  6. Step 6: Final answer
    x = 10,627.75

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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.