Home / 13,880.52-20,831.04-10,192.32

Finding the Fourth Proportional to 13,880.52, 20,831.04 and 10,192.32

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Solution

The fourth proportional to 13,880.52, 20,831.04 and 10,192.32 is: 15,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.52 : 20,831.04 = 10,192.32 : x
  2. Step 2: Convert to fraction form
    13,880.52/20,831.04 = 10,192.32/x
  3. Step 3: Cross multiply
    13,880.52x = 20,831.04 × 10,192.32
  4. Step 4: Simplify right side
    13,880.52x = 212,316,625.61
  5. Step 5: Solve for x
    x = 212,316,625.61/13,880.52
  6. Step 6: Final answer
    x = 15,296.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.