Home / 18,143.61-25,036.47-10,184.28

Finding the Fourth Proportional to 18,143.61, 25,036.47 and 10,184.28

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Solution

The fourth proportional to 18,143.61, 25,036.47 and 10,184.28 is: 14,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.61 : 25,036.47 = 10,184.28 : x
  2. Step 2: Convert to fraction form
    18,143.61/25,036.47 = 10,184.28/x
  3. Step 3: Cross multiply
    18,143.61x = 25,036.47 × 10,184.28
  4. Step 4: Simplify right side
    18,143.61x = 254,978,420.69
  5. Step 5: Solve for x
    x = 254,978,420.69/18,143.61
  6. Step 6: Final answer
    x = 14,053.35

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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.