Home / 15,516.36-23,269.32-5,125.68

Finding the Fourth Proportional to 15,516.36, 23,269.32 and 5,125.68

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Solution

The fourth proportional to 15,516.36, 23,269.32 and 5,125.68 is: 7,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.36 : 23,269.32 = 5,125.68 : x
  2. Step 2: Convert to fraction form
    15,516.36/23,269.32 = 5,125.68/x
  3. Step 3: Cross multiply
    15,516.36x = 23,269.32 × 5,125.68
  4. Step 4: Simplify right side
    15,516.36x = 119,271,088.14
  5. Step 5: Solve for x
    x = 119,271,088.14/15,516.36
  6. Step 6: Final answer
    x = 7,686.80

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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.