Home / 12,603.04-18,913.27-5,207.56

Finding the Fourth Proportional to 12,603.04, 18,913.27 and 5,207.56

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Solution

The fourth proportional to 12,603.04, 18,913.27 and 5,207.56 is: 7,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.04 : 18,913.27 = 5,207.56 : x
  2. Step 2: Convert to fraction form
    12,603.04/18,913.27 = 5,207.56/x
  3. Step 3: Cross multiply
    12,603.04x = 18,913.27 × 5,207.56
  4. Step 4: Simplify right side
    12,603.04x = 98,491,962.28
  5. Step 5: Solve for x
    x = 98,491,962.28/12,603.04
  6. Step 6: Final answer
    x = 7,814.94

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Similar ratio
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1.5x scale

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.