Home / 17,619.60-24,315-9,661.84

Finding the Fourth Proportional to 17,619.60, 24,315 and 9,661.84

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Solution

The fourth proportional to 17,619.60, 24,315 and 9,661.84 is: 13,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.60 : 24,315 = 9,661.84 : x
  2. Step 2: Convert to fraction form
    17,619.60/24,315 = 9,661.84/x
  3. Step 3: Cross multiply
    17,619.60x = 24,315 × 9,661.84
  4. Step 4: Simplify right side
    17,619.60x = 234,927,639.60
  5. Step 5: Solve for x
    x = 234,927,639.60/17,619.60
  6. Step 6: Final answer
    x = 13,333.31

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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.