Home / 15,474.36-21,346.56-9,507.36

Finding the Fourth Proportional to 15,474.36, 21,346.56 and 9,507.36

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Solution

The fourth proportional to 15,474.36, 21,346.56 and 9,507.36 is: 13,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474.36 : 21,346.56 = 9,507.36 : x
  2. Step 2: Convert to fraction form
    15,474.36/21,346.56 = 9,507.36/x
  3. Step 3: Cross multiply
    15,474.36x = 21,346.56 × 9,507.36
  4. Step 4: Simplify right side
    15,474.36x = 202,949,430.68
  5. Step 5: Solve for x
    x = 202,949,430.68/15,474.36
  6. Step 6: Final answer
    x = 13,115.21

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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.