Home / 18,140.05-25,030.11-10,182.61

Finding the Fourth Proportional to 18,140.05, 25,030.11 and 10,182.61

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Solution

The fourth proportional to 18,140.05, 25,030.11 and 10,182.61 is: 14,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.05 : 25,030.11 = 10,182.61 : x
  2. Step 2: Convert to fraction form
    18,140.05/25,030.11 = 10,182.61/x
  3. Step 3: Cross multiply
    18,140.05x = 25,030.11 × 10,182.61
  4. Step 4: Simplify right side
    18,140.05x = 254,871,848.39
  5. Step 5: Solve for x
    x = 254,871,848.39/18,140.05
  6. Step 6: Final answer
    x = 14,050.23

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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.