Home / 18,884.81-26,061.62-10,386.50

Finding the Fourth Proportional to 18,884.81, 26,061.62 and 10,386.50

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Solution

The fourth proportional to 18,884.81, 26,061.62 and 10,386.50 is: 14,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.81 : 26,061.62 = 10,386.50 : x
  2. Step 2: Convert to fraction form
    18,884.81/26,061.62 = 10,386.50/x
  3. Step 3: Cross multiply
    18,884.81x = 26,061.62 × 10,386.50
  4. Step 4: Simplify right side
    18,884.81x = 270,688,833.89
  5. Step 5: Solve for x
    x = 270,688,833.89/18,884.81
  6. Step 6: Final answer
    x = 14,333.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.