Home / 18,703.06-25,810.77-10,320.10

Finding the Fourth Proportional to 18,703.06, 25,810.77 and 10,320.10

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Solution

The fourth proportional to 18,703.06, 25,810.77 and 10,320.10 is: 14,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703.06 : 25,810.77 = 10,320.10 : x
  2. Step 2: Convert to fraction form
    18,703.06/25,810.77 = 10,320.10/x
  3. Step 3: Cross multiply
    18,703.06x = 25,810.77 × 10,320.10
  4. Step 4: Simplify right side
    18,703.06x = 266,369,766.20
  5. Step 5: Solve for x
    x = 266,369,766.20/18,703.06
  6. Step 6: Final answer
    x = 14,242.04

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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.