Home / 13,669.83-18,864.23-7,702.56

Finding the Fourth Proportional to 13,669.83, 18,864.23 and 7,702.56

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Solution

The fourth proportional to 13,669.83, 18,864.23 and 7,702.56 is: 10,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.83 : 18,864.23 = 7,702.56 : x
  2. Step 2: Convert to fraction form
    13,669.83/18,864.23 = 7,702.56/x
  3. Step 3: Cross multiply
    13,669.83x = 18,864.23 × 7,702.56
  4. Step 4: Simplify right side
    13,669.83x = 145,302,824.92
  5. Step 5: Solve for x
    x = 145,302,824.92/13,669.83
  6. Step 6: Final answer
    x = 10,629.45

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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.