Home / 15,509.10-23,271.75-14,672.64

Finding the Fourth Proportional to 15,509.10, 23,271.75 and 14,672.64

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Solution

The fourth proportional to 15,509.10, 23,271.75 and 14,672.64 is: 22,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509.10 : 23,271.75 = 14,672.64 : x
  2. Step 2: Convert to fraction form
    15,509.10/23,271.75 = 14,672.64/x
  3. Step 3: Cross multiply
    15,509.10x = 23,271.75 × 14,672.64
  4. Step 4: Simplify right side
    15,509.10x = 341,458,009.92
  5. Step 5: Solve for x
    x = 341,458,009.92/15,509.10
  6. Step 6: Final answer
    x = 22,016.62

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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.