Home / 13,261.32-19,894.50-3,901.32

Finding the Fourth Proportional to 13,261.32, 19,894.50 and 3,901.32

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Solution

The fourth proportional to 13,261.32, 19,894.50 and 3,901.32 is: 5,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.32 : 19,894.50 = 3,901.32 : x
  2. Step 2: Convert to fraction form
    13,261.32/19,894.50 = 3,901.32/x
  3. Step 3: Cross multiply
    13,261.32x = 19,894.50 × 3,901.32
  4. Step 4: Simplify right side
    13,261.32x = 77,614,810.74
  5. Step 5: Solve for x
    x = 77,614,810.74/13,261.32
  6. Step 6: Final answer
    x = 5,852.72

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Double scale
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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.