Home / 9,019.78-12,437.71-6,191.26

Finding the Fourth Proportional to 9,019.78, 12,437.71 and 6,191.26

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Solution

The fourth proportional to 9,019.78, 12,437.71 and 6,191.26 is: 8,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.78 : 12,437.71 = 6,191.26 : x
  2. Step 2: Convert to fraction form
    9,019.78/12,437.71 = 6,191.26/x
  3. Step 3: Cross multiply
    9,019.78x = 12,437.71 × 6,191.26
  4. Step 4: Simplify right side
    9,019.78x = 77,005,089.18
  5. Step 5: Solve for x
    x = 77,005,089.18/9,019.78
  6. Step 6: Final answer
    x = 8,537.36

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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.