Home / 12,670.86-19,006.35-4,353.28

Finding the Fourth Proportional to 12,670.86, 19,006.35 and 4,353.28

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Solution

The fourth proportional to 12,670.86, 19,006.35 and 4,353.28 is: 6,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.86 : 19,006.35 = 4,353.28 : x
  2. Step 2: Convert to fraction form
    12,670.86/19,006.35 = 4,353.28/x
  3. Step 3: Cross multiply
    12,670.86x = 19,006.35 × 4,353.28
  4. Step 4: Simplify right side
    12,670.86x = 82,739,899.49
  5. Step 5: Solve for x
    x = 82,739,899.49/12,670.86
  6. Step 6: Final answer
    x = 6,529.93

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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.