Home / 9,191.04-13,770.16-5,287.26

Finding the Fourth Proportional to 9,191.04, 13,770.16 and 5,287.26

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Solution

The fourth proportional to 9,191.04, 13,770.16 and 5,287.26 is: 7,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.04 : 13,770.16 = 5,287.26 : x
  2. Step 2: Convert to fraction form
    9,191.04/13,770.16 = 5,287.26/x
  3. Step 3: Cross multiply
    9,191.04x = 13,770.16 × 5,287.26
  4. Step 4: Simplify right side
    9,191.04x = 72,806,416.16
  5. Step 5: Solve for x
    x = 72,806,416.16/9,191.04
  6. Step 6: Final answer
    x = 7,921.46

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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.