Home / 11,678.77-17,495.47-10,369.81

Finding the Fourth Proportional to 11,678.77, 17,495.47 and 10,369.81

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Solution

The fourth proportional to 11,678.77, 17,495.47 and 10,369.81 is: 15,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.77 : 17,495.47 = 10,369.81 : x
  2. Step 2: Convert to fraction form
    11,678.77/17,495.47 = 10,369.81/x
  3. Step 3: Cross multiply
    11,678.77x = 17,495.47 × 10,369.81
  4. Step 4: Simplify right side
    11,678.77x = 181,424,699.76
  5. Step 5: Solve for x
    x = 181,424,699.76/11,678.77
  6. Step 6: Final answer
    x = 15,534.57

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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.