Home / 11,094.80-15,303.96-7,318.16

Finding the Fourth Proportional to 11,094.80, 15,303.96 and 7,318.16

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Solution

The fourth proportional to 11,094.80, 15,303.96 and 7,318.16 is: 10,094.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,094.80 : 15,303.96 = 7,318.16 : x
  2. Step 2: Convert to fraction form
    11,094.80/15,303.96 = 7,318.16/x
  3. Step 3: Cross multiply
    11,094.80x = 15,303.96 × 7,318.16
  4. Step 4: Simplify right side
    11,094.80x = 111,996,827.91
  5. Step 5: Solve for x
    x = 111,996,827.91/11,094.80
  6. Step 6: Final answer
    x = 10,094.53

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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.