Home / 18,160.45-25,061.81-10,203.19

Finding the Fourth Proportional to 18,160.45, 25,061.81 and 10,203.19

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Solution

The fourth proportional to 18,160.45, 25,061.81 and 10,203.19 is: 14,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.45 : 25,061.81 = 10,203.19 : x
  2. Step 2: Convert to fraction form
    18,160.45/25,061.81 = 10,203.19/x
  3. Step 3: Cross multiply
    18,160.45x = 25,061.81 × 10,203.19
  4. Step 4: Simplify right side
    18,160.45x = 255,710,365.99
  5. Step 5: Solve for x
    x = 255,710,365.99/18,160.45
  6. Step 6: Final answer
    x = 14,080.62

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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.