Home / 12,869.45-17,741.63-9,683.26

Finding the Fourth Proportional to 12,869.45, 17,741.63 and 9,683.26

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Solution

The fourth proportional to 12,869.45, 17,741.63 and 9,683.26 is: 13,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869.45 : 17,741.63 = 9,683.26 : x
  2. Step 2: Convert to fraction form
    12,869.45/17,741.63 = 9,683.26/x
  3. Step 3: Cross multiply
    12,869.45x = 17,741.63 × 9,683.26
  4. Step 4: Simplify right side
    12,869.45x = 171,796,895.76
  5. Step 5: Solve for x
    x = 171,796,895.76/12,869.45
  6. Step 6: Final answer
    x = 13,349.20

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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.