Home / 13,901.36-19,190.02-8,872.16

Finding the Fourth Proportional to 13,901.36, 19,190.02 and 8,872.16

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Solution

The fourth proportional to 13,901.36, 19,190.02 and 8,872.16 is: 12,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.36 : 19,190.02 = 8,872.16 : x
  2. Step 2: Convert to fraction form
    13,901.36/19,190.02 = 8,872.16/x
  3. Step 3: Cross multiply
    13,901.36x = 19,190.02 × 8,872.16
  4. Step 4: Simplify right side
    13,901.36x = 170,256,927.84
  5. Step 5: Solve for x
    x = 170,256,927.84/13,901.36
  6. Step 6: Final answer
    x = 12,247.50

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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.