Home / 13,628.64-20,443.14-4,864.08

Finding the Fourth Proportional to 13,628.64, 20,443.14 and 4,864.08

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Solution

The fourth proportional to 13,628.64, 20,443.14 and 4,864.08 is: 7,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628.64 : 20,443.14 = 4,864.08 : x
  2. Step 2: Convert to fraction form
    13,628.64/20,443.14 = 4,864.08/x
  3. Step 3: Cross multiply
    13,628.64x = 20,443.14 × 4,864.08
  4. Step 4: Simplify right side
    13,628.64x = 99,437,068.41
  5. Step 5: Solve for x
    x = 99,437,068.41/13,628.64
  6. Step 6: Final answer
    x = 7,296.18

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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.