Home / 12,703.28-19,057.95-5,303.61

Finding the Fourth Proportional to 12,703.28, 19,057.95 and 5,303.61

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Solution

The fourth proportional to 12,703.28, 19,057.95 and 5,303.61 is: 7,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.28 : 19,057.95 = 5,303.61 : x
  2. Step 2: Convert to fraction form
    12,703.28/19,057.95 = 5,303.61/x
  3. Step 3: Cross multiply
    12,703.28x = 19,057.95 × 5,303.61
  4. Step 4: Simplify right side
    12,703.28x = 101,075,934.20
  5. Step 5: Solve for x
    x = 101,075,934.20/12,703.28
  6. Step 6: Final answer
    x = 7,956.68

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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.