Home / 9,219.80-13,818.76-5,316.14

Finding the Fourth Proportional to 9,219.80, 13,818.76 and 5,316.14

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Solution

The fourth proportional to 9,219.80, 13,818.76 and 5,316.14 is: 7,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.80 : 13,818.76 = 5,316.14 : x
  2. Step 2: Convert to fraction form
    9,219.80/13,818.76 = 5,316.14/x
  3. Step 3: Cross multiply
    9,219.80x = 13,818.76 × 5,316.14
  4. Step 4: Simplify right side
    9,219.80x = 73,462,462.79
  5. Step 5: Solve for x
    x = 73,462,462.79/9,219.80
  6. Step 6: Final answer
    x = 7,967.90

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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.