Home / 20,603.13-30,886.36-7,452.58

Finding the Fourth Proportional to 20,603.13, 30,886.36 and 7,452.58

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Solution

The fourth proportional to 20,603.13, 30,886.36 and 7,452.58 is: 11,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603.13 : 30,886.36 = 7,452.58 : x
  2. Step 2: Convert to fraction form
    20,603.13/30,886.36 = 7,452.58/x
  3. Step 3: Cross multiply
    20,603.13x = 30,886.36 × 7,452.58
  4. Step 4: Simplify right side
    20,603.13x = 230,183,068.81
  5. Step 5: Solve for x
    x = 230,183,068.81/20,603.13
  6. Step 6: Final answer
    x = 11,172.24

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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.