Home / 10,290.96-14,201.60-5,575.32

Finding the Fourth Proportional to 10,290.96, 14,201.60 and 5,575.32

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Solution

The fourth proportional to 10,290.96, 14,201.60 and 5,575.32 is: 7,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.96 : 14,201.60 = 5,575.32 : x
  2. Step 2: Convert to fraction form
    10,290.96/14,201.60 = 5,575.32/x
  3. Step 3: Cross multiply
    10,290.96x = 14,201.60 × 5,575.32
  4. Step 4: Simplify right side
    10,290.96x = 79,178,436.64
  5. Step 5: Solve for x
    x = 79,178,436.64/10,290.96
  6. Step 6: Final answer
    x = 7,693.98

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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.