Home / 18,238.12-25,168.93-10,172.48

Finding the Fourth Proportional to 18,238.12, 25,168.93 and 10,172.48

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Solution

The fourth proportional to 18,238.12, 25,168.93 and 10,172.48 is: 14,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.12 : 25,168.93 = 10,172.48 : x
  2. Step 2: Convert to fraction form
    18,238.12/25,168.93 = 10,172.48/x
  3. Step 3: Cross multiply
    18,238.12x = 25,168.93 × 10,172.48
  4. Step 4: Simplify right side
    18,238.12x = 256,030,285.77
  5. Step 5: Solve for x
    x = 256,030,285.77/18,238.12
  6. Step 6: Final answer
    x = 14,038.20

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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.