Home / 11,328.90-15,627.74-7,233.06

Finding the Fourth Proportional to 11,328.90, 15,627.74 and 7,233.06

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Solution

The fourth proportional to 11,328.90, 15,627.74 and 7,233.06 is: 9,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.90 : 15,627.74 = 7,233.06 : x
  2. Step 2: Convert to fraction form
    11,328.90/15,627.74 = 7,233.06/x
  3. Step 3: Cross multiply
    11,328.90x = 15,627.74 × 7,233.06
  4. Step 4: Simplify right side
    11,328.90x = 113,036,381.08
  5. Step 5: Solve for x
    x = 113,036,381.08/11,328.90
  6. Step 6: Final answer
    x = 9,977.70

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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.