Home / 15,659.04-21,609.66-8,585.44

Finding the Fourth Proportional to 15,659.04, 21,609.66 and 8,585.44

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Solution

The fourth proportional to 15,659.04, 21,609.66 and 8,585.44 is: 11,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.04 : 21,609.66 = 8,585.44 : x
  2. Step 2: Convert to fraction form
    15,659.04/21,609.66 = 8,585.44/x
  3. Step 3: Cross multiply
    15,659.04x = 21,609.66 × 8,585.44
  4. Step 4: Simplify right side
    15,659.04x = 185,528,439.35
  5. Step 5: Solve for x
    x = 185,528,439.35/15,659.04
  6. Step 6: Final answer
    x = 11,848.01

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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.