Home / 11,087.10-15,303.87-6,612.30

Finding the Fourth Proportional to 11,087.10, 15,303.87 and 6,612.30

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Solution

The fourth proportional to 11,087.10, 15,303.87 and 6,612.30 is: 9,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.10 : 15,303.87 = 6,612.30 : x
  2. Step 2: Convert to fraction form
    11,087.10/15,303.87 = 6,612.30/x
  3. Step 3: Cross multiply
    11,087.10x = 15,303.87 × 6,612.30
  4. Step 4: Simplify right side
    11,087.10x = 101,193,779.60
  5. Step 5: Solve for x
    x = 101,193,779.60/11,087.10
  6. Step 6: Final answer
    x = 9,127.16

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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.