Home / 13,251.84-18,295.71-10,065.30

Finding the Fourth Proportional to 13,251.84, 18,295.71 and 10,065.30

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Solution

The fourth proportional to 13,251.84, 18,295.71 and 10,065.30 is: 13,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.84 : 18,295.71 = 10,065.30 : x
  2. Step 2: Convert to fraction form
    13,251.84/18,295.71 = 10,065.30/x
  3. Step 3: Cross multiply
    13,251.84x = 18,295.71 × 10,065.30
  4. Step 4: Simplify right side
    13,251.84x = 184,151,809.86
  5. Step 5: Solve for x
    x = 184,151,809.86/13,251.84
  6. Step 6: Final answer
    x = 13,896.32

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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.