Home / 19,117.68-26,382.75-10,620.60

Finding the Fourth Proportional to 19,117.68, 26,382.75 and 10,620.60

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Solution

The fourth proportional to 19,117.68, 26,382.75 and 10,620.60 is: 14,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.68 : 26,382.75 = 10,620.60 : x
  2. Step 2: Convert to fraction form
    19,117.68/26,382.75 = 10,620.60/x
  3. Step 3: Cross multiply
    19,117.68x = 26,382.75 × 10,620.60
  4. Step 4: Simplify right side
    19,117.68x = 280,200,502.74
  5. Step 5: Solve for x
    x = 280,200,502.74/19,117.68
  6. Step 6: Final answer
    x = 14,656.62

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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.