Home / 11,054.48-16,581.72-10,378.64

Finding the Fourth Proportional to 11,054.48, 16,581.72 and 10,378.64

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Solution

The fourth proportional to 11,054.48, 16,581.72 and 10,378.64 is: 15,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.48 : 16,581.72 = 10,378.64 : x
  2. Step 2: Convert to fraction form
    11,054.48/16,581.72 = 10,378.64/x
  3. Step 3: Cross multiply
    11,054.48x = 16,581.72 × 10,378.64
  4. Step 4: Simplify right side
    11,054.48x = 172,095,702.46
  5. Step 5: Solve for x
    x = 172,095,702.46/11,054.48
  6. Step 6: Final answer
    x = 15,567.96

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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.