Home / 9,114.03-13,647.40-7,806.18

Finding the Fourth Proportional to 9,114.03, 13,647.40 and 7,806.18

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Solution

The fourth proportional to 9,114.03, 13,647.40 and 7,806.18 is: 11,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.03 : 13,647.40 = 7,806.18 : x
  2. Step 2: Convert to fraction form
    9,114.03/13,647.40 = 7,806.18/x
  3. Step 3: Cross multiply
    9,114.03x = 13,647.40 × 7,806.18
  4. Step 4: Simplify right side
    9,114.03x = 106,534,041.42
  5. Step 5: Solve for x
    x = 106,534,041.42/9,114.03
  6. Step 6: Final answer
    x = 11,689.02

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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.