Home / 18,346.07-25,317.68-10,389.03

Finding the Fourth Proportional to 18,346.07, 25,317.68 and 10,389.03

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Solution

The fourth proportional to 18,346.07, 25,317.68 and 10,389.03 is: 14,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.07 : 25,317.68 = 10,389.03 : x
  2. Step 2: Convert to fraction form
    18,346.07/25,317.68 = 10,389.03/x
  3. Step 3: Cross multiply
    18,346.07x = 25,317.68 × 10,389.03
  4. Step 4: Simplify right side
    18,346.07x = 263,026,085.11
  5. Step 5: Solve for x
    x = 263,026,085.11/18,346.07
  6. Step 6: Final answer
    x = 14,336.92

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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.