Home / 12,703.77-19,059.50-4,808.70

Finding the Fourth Proportional to 12,703.77, 19,059.50 and 4,808.70

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Solution

The fourth proportional to 12,703.77, 19,059.50 and 4,808.70 is: 7,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.77 : 19,059.50 = 4,808.70 : x
  2. Step 2: Convert to fraction form
    12,703.77/19,059.50 = 4,808.70/x
  3. Step 3: Cross multiply
    12,703.77x = 19,059.50 × 4,808.70
  4. Step 4: Simplify right side
    12,703.77x = 91,651,393.61
  5. Step 5: Solve for x
    x = 91,651,393.61/12,703.77
  6. Step 6: Final answer
    x = 7,214.50

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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.