Home / 12,856.06-19,230.76-12,068.74

Finding the Fourth Proportional to 12,856.06, 19,230.76 and 12,068.74

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Solution

The fourth proportional to 12,856.06, 19,230.76 and 12,068.74 is: 18,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856.06 : 19,230.76 = 12,068.74 : x
  2. Step 2: Convert to fraction form
    12,856.06/19,230.76 = 12,068.74/x
  3. Step 3: Cross multiply
    12,856.06x = 19,230.76 × 12,068.74
  4. Step 4: Simplify right side
    12,856.06x = 232,090,885.94
  5. Step 5: Solve for x
    x = 232,090,885.94/12,856.06
  6. Step 6: Final answer
    x = 18,053.04

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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.