Home / 13,015.64-17,961.50-7,047.18

Finding the Fourth Proportional to 13,015.64, 17,961.50 and 7,047.18

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Solution

The fourth proportional to 13,015.64, 17,961.50 and 7,047.18 is: 9,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.64 : 17,961.50 = 7,047.18 : x
  2. Step 2: Convert to fraction form
    13,015.64/17,961.50 = 7,047.18/x
  3. Step 3: Cross multiply
    13,015.64x = 17,961.50 × 7,047.18
  4. Step 4: Simplify right side
    13,015.64x = 126,577,941.19
  5. Step 5: Solve for x
    x = 126,577,941.19/13,015.64
  6. Step 6: Final answer
    x = 9,725.06

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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.