Home / 9,543.14-14,318.64-5,155.42

Finding the Fourth Proportional to 9,543.14, 14,318.64 and 5,155.42

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Solution

The fourth proportional to 9,543.14, 14,318.64 and 5,155.42 is: 7,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.14 : 14,318.64 = 5,155.42 : x
  2. Step 2: Convert to fraction form
    9,543.14/14,318.64 = 5,155.42/x
  3. Step 3: Cross multiply
    9,543.14x = 14,318.64 × 5,155.42
  4. Step 4: Simplify right side
    9,543.14x = 73,818,603.03
  5. Step 5: Solve for x
    x = 73,818,603.03/9,543.14
  6. Step 6: Final answer
    x = 7,735.25

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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.