Home / 19,117.43-26,382.36-10,620.09

Finding the Fourth Proportional to 19,117.43, 26,382.36 and 10,620.09

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Solution

The fourth proportional to 19,117.43, 26,382.36 and 10,620.09 is: 14,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.43 : 26,382.36 = 10,620.09 : x
  2. Step 2: Convert to fraction form
    19,117.43/26,382.36 = 10,620.09/x
  3. Step 3: Cross multiply
    19,117.43x = 26,382.36 × 10,620.09
  4. Step 4: Simplify right side
    19,117.43x = 280,182,984.51
  5. Step 5: Solve for x
    x = 280,182,984.51/19,117.43
  6. Step 6: Final answer
    x = 14,655.90

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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.