Home / 14,112.72-19,476.36-9,637.20

Finding the Fourth Proportional to 14,112.72, 19,476.36 and 9,637.20

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Solution

The fourth proportional to 14,112.72, 19,476.36 and 9,637.20 is: 13,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.72 : 19,476.36 = 9,637.20 : x
  2. Step 2: Convert to fraction form
    14,112.72/19,476.36 = 9,637.20/x
  3. Step 3: Cross multiply
    14,112.72x = 19,476.36 × 9,637.20
  4. Step 4: Simplify right side
    14,112.72x = 187,697,576.59
  5. Step 5: Solve for x
    x = 187,697,576.59/14,112.72
  6. Step 6: Final answer
    x = 13,299.89

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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.