Home / 15,460.64-21,332.40-9,175.04

Finding the Fourth Proportional to 15,460.64, 21,332.40 and 9,175.04

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Solution

The fourth proportional to 15,460.64, 21,332.40 and 9,175.04 is: 12,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.64 : 21,332.40 = 9,175.04 : x
  2. Step 2: Convert to fraction form
    15,460.64/21,332.40 = 9,175.04/x
  3. Step 3: Cross multiply
    15,460.64x = 21,332.40 × 9,175.04
  4. Step 4: Simplify right side
    15,460.64x = 195,725,623.30
  5. Step 5: Solve for x
    x = 195,725,623.30/15,460.64
  6. Step 6: Final answer
    x = 12,659.61

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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.