Home / 11,090.30-15,303.72-6,373.70

Finding the Fourth Proportional to 11,090.30, 15,303.72 and 6,373.70

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Solution

The fourth proportional to 11,090.30, 15,303.72 and 6,373.70 is: 8,795.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.30 : 15,303.72 = 6,373.70 : x
  2. Step 2: Convert to fraction form
    11,090.30/15,303.72 = 6,373.70/x
  3. Step 3: Cross multiply
    11,090.30x = 15,303.72 × 6,373.70
  4. Step 4: Simplify right side
    11,090.30x = 97,541,320.16
  5. Step 5: Solve for x
    x = 97,541,320.16/11,090.30
  6. Step 6: Final answer
    x = 8,795.19

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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.