Home / 17,516.04-26,285.96-7,129.68

Finding the Fourth Proportional to 17,516.04, 26,285.96 and 7,129.68

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Solution

The fourth proportional to 17,516.04, 26,285.96 and 7,129.68 is: 10,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,516.04 : 26,285.96 = 7,129.68 : x
  2. Step 2: Convert to fraction form
    17,516.04/26,285.96 = 7,129.68/x
  3. Step 3: Cross multiply
    17,516.04x = 26,285.96 × 7,129.68
  4. Step 4: Simplify right side
    17,516.04x = 187,410,483.29
  5. Step 5: Solve for x
    x = 187,410,483.29/17,516.04
  6. Step 6: Final answer
    x = 10,699.36

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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.