Home / 18,831.39-25,985.46-10,873.95

Finding the Fourth Proportional to 18,831.39, 25,985.46 and 10,873.95

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Solution

The fourth proportional to 18,831.39, 25,985.46 and 10,873.95 is: 15,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831.39 : 25,985.46 = 10,873.95 : x
  2. Step 2: Convert to fraction form
    18,831.39/25,985.46 = 10,873.95/x
  3. Step 3: Cross multiply
    18,831.39x = 25,985.46 × 10,873.95
  4. Step 4: Simplify right side
    18,831.39x = 282,564,592.77
  5. Step 5: Solve for x
    x = 282,564,592.77/18,831.39
  6. Step 6: Final answer
    x = 15,004.98

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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.