Home / 14,591.28-20,130-10,603.52

Finding the Fourth Proportional to 14,591.28, 20,130 and 10,603.52

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Solution

The fourth proportional to 14,591.28, 20,130 and 10,603.52 is: 14,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.28 : 20,130 = 10,603.52 : x
  2. Step 2: Convert to fraction form
    14,591.28/20,130 = 10,603.52/x
  3. Step 3: Cross multiply
    14,591.28x = 20,130 × 10,603.52
  4. Step 4: Simplify right side
    14,591.28x = 213,448,857.60
  5. Step 5: Solve for x
    x = 213,448,857.60/14,591.28
  6. Step 6: Final answer
    x = 14,628.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.