Home / 12,837.23-17,705.60-11,047.69

Finding the Fourth Proportional to 12,837.23, 17,705.60 and 11,047.69

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Solution

The fourth proportional to 12,837.23, 17,705.60 and 11,047.69 is: 15,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.23 : 17,705.60 = 11,047.69 : x
  2. Step 2: Convert to fraction form
    12,837.23/17,705.60 = 11,047.69/x
  3. Step 3: Cross multiply
    12,837.23x = 17,705.60 × 11,047.69
  4. Step 4: Simplify right side
    12,837.23x = 195,606,050.53
  5. Step 5: Solve for x
    x = 195,606,050.53/12,837.23
  6. Step 6: Final answer
    x = 15,237.40

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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.