Home / 15,659.63-21,607.25-9,285.04

Finding the Fourth Proportional to 15,659.63, 21,607.25 and 9,285.04

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Solution

The fourth proportional to 15,659.63, 21,607.25 and 9,285.04 is: 12,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.63 : 21,607.25 = 9,285.04 : x
  2. Step 2: Convert to fraction form
    15,659.63/21,607.25 = 9,285.04/x
  3. Step 3: Cross multiply
    15,659.63x = 21,607.25 × 9,285.04
  4. Step 4: Simplify right side
    15,659.63x = 200,624,161.12
  5. Step 5: Solve for x
    x = 200,624,161.12/15,659.63
  6. Step 6: Final answer
    x = 12,811.55

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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.