Home / 13,807.56-19,044.81-10,439.58

Finding the Fourth Proportional to 13,807.56, 19,044.81 and 10,439.58

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Solution

The fourth proportional to 13,807.56, 19,044.81 and 10,439.58 is: 14,399.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.56 : 19,044.81 = 10,439.58 : x
  2. Step 2: Convert to fraction form
    13,807.56/19,044.81 = 10,439.58/x
  3. Step 3: Cross multiply
    13,807.56x = 19,044.81 × 10,439.58
  4. Step 4: Simplify right side
    13,807.56x = 198,819,817.58
  5. Step 5: Solve for x
    x = 198,819,817.58/13,807.56
  6. Step 6: Final answer
    x = 14,399.34

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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.