Home / 15,672.08-23,509.08-5,000.72

Finding the Fourth Proportional to 15,672.08, 23,509.08 and 5,000.72

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Solution

The fourth proportional to 15,672.08, 23,509.08 and 5,000.72 is: 7,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.08 : 23,509.08 = 5,000.72 : x
  2. Step 2: Convert to fraction form
    15,672.08/23,509.08 = 5,000.72/x
  3. Step 3: Cross multiply
    15,672.08x = 23,509.08 × 5,000.72
  4. Step 4: Simplify right side
    15,672.08x = 117,562,326.54
  5. Step 5: Solve for x
    x = 117,562,326.54/15,672.08
  6. Step 6: Final answer
    x = 7,501.39

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Half scale
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Similar ratio
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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.