Home / 9,365.40-12,885.48-7,114.14

Finding the Fourth Proportional to 9,365.40, 12,885.48 and 7,114.14

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Solution

The fourth proportional to 9,365.40, 12,885.48 and 7,114.14 is: 9,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.40 : 12,885.48 = 7,114.14 : x
  2. Step 2: Convert to fraction form
    9,365.40/12,885.48 = 7,114.14/x
  3. Step 3: Cross multiply
    9,365.40x = 12,885.48 × 7,114.14
  4. Step 4: Simplify right side
    9,365.40x = 91,669,108.69
  5. Step 5: Solve for x
    x = 91,669,108.69/9,365.40
  6. Step 6: Final answer
    x = 9,788.06

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1.5x scale

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.