Home / 12,710.28-19,063.08-4,813.56

Finding the Fourth Proportional to 12,710.28, 19,063.08 and 4,813.56

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Solution

The fourth proportional to 12,710.28, 19,063.08 and 4,813.56 is: 7,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.28 : 19,063.08 = 4,813.56 : x
  2. Step 2: Convert to fraction form
    12,710.28/19,063.08 = 4,813.56/x
  3. Step 3: Cross multiply
    12,710.28x = 19,063.08 × 4,813.56
  4. Step 4: Simplify right side
    12,710.28x = 91,761,279.36
  5. Step 5: Solve for x
    x = 91,761,279.36/12,710.28
  6. Step 6: Final answer
    x = 7,219.45

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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.