Home / 11,257.08-15,534.74-6,289.08

Finding the Fourth Proportional to 11,257.08, 15,534.74 and 6,289.08

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Solution

The fourth proportional to 11,257.08, 15,534.74 and 6,289.08 is: 8,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.08 : 15,534.74 = 6,289.08 : x
  2. Step 2: Convert to fraction form
    11,257.08/15,534.74 = 6,289.08/x
  3. Step 3: Cross multiply
    11,257.08x = 15,534.74 × 6,289.08
  4. Step 4: Simplify right side
    11,257.08x = 97,699,222.64
  5. Step 5: Solve for x
    x = 97,699,222.64/11,257.08
  6. Step 6: Final answer
    x = 8,678.91

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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.