Home / 19,178.47-26,465.43-10,680.31

Finding the Fourth Proportional to 19,178.47, 26,465.43 and 10,680.31

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Solution

The fourth proportional to 19,178.47, 26,465.43 and 10,680.31 is: 14,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.47 : 26,465.43 = 10,680.31 : x
  2. Step 2: Convert to fraction form
    19,178.47/26,465.43 = 10,680.31/x
  3. Step 3: Cross multiply
    19,178.47x = 26,465.43 × 10,680.31
  4. Step 4: Simplify right side
    19,178.47x = 282,658,920.95
  5. Step 5: Solve for x
    x = 282,658,920.95/19,178.47
  6. Step 6: Final answer
    x = 14,738.34

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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.