Home / 12,816.95-19,225.30-4,051.86

Finding the Fourth Proportional to 12,816.95, 19,225.30 and 4,051.86

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Solution

The fourth proportional to 12,816.95, 19,225.30 and 4,051.86 is: 6,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.95 : 19,225.30 = 4,051.86 : x
  2. Step 2: Convert to fraction form
    12,816.95/19,225.30 = 4,051.86/x
  3. Step 3: Cross multiply
    12,816.95x = 19,225.30 × 4,051.86
  4. Step 4: Simplify right side
    12,816.95x = 77,898,261.99
  5. Step 5: Solve for x
    x = 77,898,261.99/12,816.95
  6. Step 6: Final answer
    x = 6,077.75

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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.