Home / 12,733.15-19,121.27-8,298.35

Finding the Fourth Proportional to 12,733.15, 19,121.27 and 8,298.35

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Solution

The fourth proportional to 12,733.15, 19,121.27 and 8,298.35 is: 12,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733.15 : 19,121.27 = 8,298.35 : x
  2. Step 2: Convert to fraction form
    12,733.15/19,121.27 = 8,298.35/x
  3. Step 3: Cross multiply
    12,733.15x = 19,121.27 × 8,298.35
  4. Step 4: Simplify right side
    12,733.15x = 158,674,925.51
  5. Step 5: Solve for x
    x = 158,674,925.51/12,733.15
  6. Step 6: Final answer
    x = 12,461.56

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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.