Home / 19,303.79-28,952.64-7,455.81

Finding the Fourth Proportional to 19,303.79, 28,952.64 and 7,455.81

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Solution

The fourth proportional to 19,303.79, 28,952.64 and 7,455.81 is: 11,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.79 : 28,952.64 = 7,455.81 : x
  2. Step 2: Convert to fraction form
    19,303.79/28,952.64 = 7,455.81/x
  3. Step 3: Cross multiply
    19,303.79x = 28,952.64 × 7,455.81
  4. Step 4: Simplify right side
    19,303.79x = 215,865,382.84
  5. Step 5: Solve for x
    x = 215,865,382.84/19,303.79
  6. Step 6: Final answer
    x = 11,182.54

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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.