Home / 19,117.36-26,382.14-11,158.05

Finding the Fourth Proportional to 19,117.36, 26,382.14 and 11,158.05

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Solution

The fourth proportional to 19,117.36, 26,382.14 and 11,158.05 is: 15,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.36 : 26,382.14 = 11,158.05 : x
  2. Step 2: Convert to fraction form
    19,117.36/26,382.14 = 11,158.05/x
  3. Step 3: Cross multiply
    19,117.36x = 26,382.14 × 11,158.05
  4. Step 4: Simplify right side
    19,117.36x = 294,373,237.23
  5. Step 5: Solve for x
    x = 294,373,237.23/19,117.36
  6. Step 6: Final answer
    x = 15,398.22

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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.