Home / 15,357.08-23,019.67-7,447.89

Finding the Fourth Proportional to 15,357.08, 23,019.67 and 7,447.89

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Solution

The fourth proportional to 15,357.08, 23,019.67 and 7,447.89 is: 11,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,357.08 : 23,019.67 = 7,447.89 : x
  2. Step 2: Convert to fraction form
    15,357.08/23,019.67 = 7,447.89/x
  3. Step 3: Cross multiply
    15,357.08x = 23,019.67 × 7,447.89
  4. Step 4: Simplify right side
    15,357.08x = 171,447,970.00
  5. Step 5: Solve for x
    x = 171,447,970.00/15,357.08
  6. Step 6: Final answer
    x = 11,164.10

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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.