Home / 11,303.52-16,920.72-7,551.60

Finding the Fourth Proportional to 11,303.52, 16,920.72 and 7,551.60

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Solution

The fourth proportional to 11,303.52, 16,920.72 and 7,551.60 is: 11,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.52 : 16,920.72 = 7,551.60 : x
  2. Step 2: Convert to fraction form
    11,303.52/16,920.72 = 7,551.60/x
  3. Step 3: Cross multiply
    11,303.52x = 16,920.72 × 7,551.60
  4. Step 4: Simplify right side
    11,303.52x = 127,778,509.15
  5. Step 5: Solve for x
    x = 127,778,509.15/11,303.52
  6. Step 6: Final answer
    x = 11,304.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.