Home / 10,157.60-15,222.48-4,894.64

Finding the Fourth Proportional to 10,157.60, 15,222.48 and 4,894.64

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Solution

The fourth proportional to 10,157.60, 15,222.48 and 4,894.64 is: 7,335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.60 : 15,222.48 = 4,894.64 : x
  2. Step 2: Convert to fraction form
    10,157.60/15,222.48 = 4,894.64/x
  3. Step 3: Cross multiply
    10,157.60x = 15,222.48 × 4,894.64
  4. Step 4: Simplify right side
    10,157.60x = 74,508,559.51
  5. Step 5: Solve for x
    x = 74,508,559.51/10,157.60
  6. Step 6: Final answer
    x = 7,335.25

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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.