Home / 18,625.04-25,703.05-10,127.72

Finding the Fourth Proportional to 18,625.04, 25,703.05 and 10,127.72

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Solution

The fourth proportional to 18,625.04, 25,703.05 and 10,127.72 is: 13,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.04 : 25,703.05 = 10,127.72 : x
  2. Step 2: Convert to fraction form
    18,625.04/25,703.05 = 10,127.72/x
  3. Step 3: Cross multiply
    18,625.04x = 25,703.05 × 10,127.72
  4. Step 4: Simplify right side
    18,625.04x = 260,313,332.48
  5. Step 5: Solve for x
    x = 260,313,332.48/18,625.04
  6. Step 6: Final answer
    x = 13,976.53

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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.