Home / 12,708.96-19,058.76-4,386.84

Finding the Fourth Proportional to 12,708.96, 19,058.76 and 4,386.84

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Solution

The fourth proportional to 12,708.96, 19,058.76 and 4,386.84 is: 6,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.96 : 19,058.76 = 4,386.84 : x
  2. Step 2: Convert to fraction form
    12,708.96/19,058.76 = 4,386.84/x
  3. Step 3: Cross multiply
    12,708.96x = 19,058.76 × 4,386.84
  4. Step 4: Simplify right side
    12,708.96x = 83,607,730.72
  5. Step 5: Solve for x
    x = 83,607,730.72/12,708.96
  6. Step 6: Final answer
    x = 6,578.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.