Home / 21,460.32-32,190.39-9,774.36

Finding the Fourth Proportional to 21,460.32, 32,190.39 and 9,774.36

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Solution

The fourth proportional to 21,460.32, 32,190.39 and 9,774.36 is: 14,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.32 : 32,190.39 = 9,774.36 : x
  2. Step 2: Convert to fraction form
    21,460.32/32,190.39 = 9,774.36/x
  3. Step 3: Cross multiply
    21,460.32x = 32,190.39 × 9,774.36
  4. Step 4: Simplify right side
    21,460.32x = 314,640,460.40
  5. Step 5: Solve for x
    x = 314,640,460.40/21,460.32
  6. Step 6: Final answer
    x = 14,661.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.