Home / 15,186.37-22,779.71-5,325.89

Finding the Fourth Proportional to 15,186.37, 22,779.71 and 5,325.89

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Solution

The fourth proportional to 15,186.37, 22,779.71 and 5,325.89 is: 7,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186.37 : 22,779.71 = 5,325.89 : x
  2. Step 2: Convert to fraction form
    15,186.37/22,779.71 = 5,325.89/x
  3. Step 3: Cross multiply
    15,186.37x = 22,779.71 × 5,325.89
  4. Step 4: Simplify right side
    15,186.37x = 121,322,089.16
  5. Step 5: Solve for x
    x = 121,322,089.16/15,186.37
  6. Step 6: Final answer
    x = 7,988.88

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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.