Home / 14,210.71-21,316.62-5,325.11

Finding the Fourth Proportional to 14,210.71, 21,316.62 and 5,325.11

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Solution

The fourth proportional to 14,210.71, 21,316.62 and 5,325.11 is: 7,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.71 : 21,316.62 = 5,325.11 : x
  2. Step 2: Convert to fraction form
    14,210.71/21,316.62 = 5,325.11/x
  3. Step 3: Cross multiply
    14,210.71x = 21,316.62 × 5,325.11
  4. Step 4: Simplify right side
    14,210.71x = 113,513,339.65
  5. Step 5: Solve for x
    x = 113,513,339.65/14,210.71
  6. Step 6: Final answer
    x = 7,987.87

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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.