Home / 18,346.14-25,315.47-10,387.89

Finding the Fourth Proportional to 18,346.14, 25,315.47 and 10,387.89

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Solution

The fourth proportional to 18,346.14, 25,315.47 and 10,387.89 is: 14,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.14 : 25,315.47 = 10,387.89 : x
  2. Step 2: Convert to fraction form
    18,346.14/25,315.47 = 10,387.89/x
  3. Step 3: Cross multiply
    18,346.14x = 25,315.47 × 10,387.89
  4. Step 4: Simplify right side
    18,346.14x = 262,974,317.66
  5. Step 5: Solve for x
    x = 262,974,317.66/18,346.14
  6. Step 6: Final answer
    x = 14,334.04

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1.5x scale

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.