Home / 15,486.64-21,373.48-9,199.04

Finding the Fourth Proportional to 15,486.64, 21,373.48 and 9,199.04

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Solution

The fourth proportional to 15,486.64, 21,373.48 and 9,199.04 is: 12,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,486.64 : 21,373.48 = 9,199.04 : x
  2. Step 2: Convert to fraction form
    15,486.64/21,373.48 = 9,199.04/x
  3. Step 3: Cross multiply
    15,486.64x = 21,373.48 × 9,199.04
  4. Step 4: Simplify right side
    15,486.64x = 196,615,497.46
  5. Step 5: Solve for x
    x = 196,615,497.46/15,486.64
  6. Step 6: Final answer
    x = 12,695.81

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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.