Home / 9,485.79-14,217.60-7,138.26

Finding the Fourth Proportional to 9,485.79, 14,217.60 and 7,138.26

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Solution

The fourth proportional to 9,485.79, 14,217.60 and 7,138.26 is: 10,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.79 : 14,217.60 = 7,138.26 : x
  2. Step 2: Convert to fraction form
    9,485.79/14,217.60 = 7,138.26/x
  3. Step 3: Cross multiply
    9,485.79x = 14,217.60 × 7,138.26
  4. Step 4: Simplify right side
    9,485.79x = 101,488,925.38
  5. Step 5: Solve for x
    x = 101,488,925.38/9,485.79
  6. Step 6: Final answer
    x = 10,699.05

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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.