Home / 15,462.36-21,323.52-10,427.40

Finding the Fourth Proportional to 15,462.36, 21,323.52 and 10,427.40

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Solution

The fourth proportional to 15,462.36, 21,323.52 and 10,427.40 is: 14,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462.36 : 21,323.52 = 10,427.40 : x
  2. Step 2: Convert to fraction form
    15,462.36/21,323.52 = 10,427.40/x
  3. Step 3: Cross multiply
    15,462.36x = 21,323.52 × 10,427.40
  4. Step 4: Simplify right side
    15,462.36x = 222,348,872.45
  5. Step 5: Solve for x
    x = 222,348,872.45/15,462.36
  6. Step 6: Final answer
    x = 14,380.01

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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.