Home / 14,303.52-21,455.64-3,915.36

Finding the Fourth Proportional to 14,303.52, 21,455.64 and 3,915.36

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Solution

The fourth proportional to 14,303.52, 21,455.64 and 3,915.36 is: 5,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.52 : 21,455.64 = 3,915.36 : x
  2. Step 2: Convert to fraction form
    14,303.52/21,455.64 = 3,915.36/x
  3. Step 3: Cross multiply
    14,303.52x = 21,455.64 × 3,915.36
  4. Step 4: Simplify right side
    14,303.52x = 84,006,554.63
  5. Step 5: Solve for x
    x = 84,006,554.63/14,303.52
  6. Step 6: Final answer
    x = 5,873.14

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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.