Home / 18,130.04-25,019.35-10,172.25

Finding the Fourth Proportional to 18,130.04, 25,019.35 and 10,172.25

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Solution

The fourth proportional to 18,130.04, 25,019.35 and 10,172.25 is: 14,037.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.04 : 25,019.35 = 10,172.25 : x
  2. Step 2: Convert to fraction form
    18,130.04/25,019.35 = 10,172.25/x
  3. Step 3: Cross multiply
    18,130.04x = 25,019.35 × 10,172.25
  4. Step 4: Simplify right side
    18,130.04x = 254,503,057.61
  5. Step 5: Solve for x
    x = 254,503,057.61/18,130.04
  6. Step 6: Final answer
    x = 14,037.64

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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.