Home / 19,412.71-26,785.94-10,913.74

Finding the Fourth Proportional to 19,412.71, 26,785.94 and 10,913.74

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Solution

The fourth proportional to 19,412.71, 26,785.94 and 10,913.74 is: 15,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.71 : 26,785.94 = 10,913.74 : x
  2. Step 2: Convert to fraction form
    19,412.71/26,785.94 = 10,913.74/x
  3. Step 3: Cross multiply
    19,412.71x = 26,785.94 × 10,913.74
  4. Step 4: Simplify right side
    19,412.71x = 292,334,724.67
  5. Step 5: Solve for x
    x = 292,334,724.67/19,412.71
  6. Step 6: Final answer
    x = 15,058.93

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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.