Home / 13,954.56-19,242.81-9,710.43

Finding the Fourth Proportional to 13,954.56, 19,242.81 and 9,710.43

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Solution

The fourth proportional to 13,954.56, 19,242.81 and 9,710.43 is: 13,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.56 : 19,242.81 = 9,710.43 : x
  2. Step 2: Convert to fraction form
    13,954.56/19,242.81 = 9,710.43/x
  3. Step 3: Cross multiply
    13,954.56x = 19,242.81 × 9,710.43
  4. Step 4: Simplify right side
    13,954.56x = 186,855,959.51
  5. Step 5: Solve for x
    x = 186,855,959.51/13,954.56
  6. Step 6: Final answer
    x = 13,390.32

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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.