Home / 19,129.89-26,401.71-10,746.39

Finding the Fourth Proportional to 19,129.89, 26,401.71 and 10,746.39

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Solution

The fourth proportional to 19,129.89, 26,401.71 and 10,746.39 is: 14,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.89 : 26,401.71 = 10,746.39 : x
  2. Step 2: Convert to fraction form
    19,129.89/26,401.71 = 10,746.39/x
  3. Step 3: Cross multiply
    19,129.89x = 26,401.71 × 10,746.39
  4. Step 4: Simplify right side
    19,129.89x = 283,723,072.33
  5. Step 5: Solve for x
    x = 283,723,072.33/19,129.89
  6. Step 6: Final answer
    x = 14,831.40

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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.