Home / 10,725.28-14,801.70-6,749.80

Finding the Fourth Proportional to 10,725.28, 14,801.70 and 6,749.80

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Solution

The fourth proportional to 10,725.28, 14,801.70 and 6,749.80 is: 9,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.28 : 14,801.70 = 6,749.80 : x
  2. Step 2: Convert to fraction form
    10,725.28/14,801.70 = 6,749.80/x
  3. Step 3: Cross multiply
    10,725.28x = 14,801.70 × 6,749.80
  4. Step 4: Simplify right side
    10,725.28x = 99,908,502.97
  5. Step 5: Solve for x
    x = 99,908,502.97/10,725.28
  6. Step 6: Final answer
    x = 9,315.24

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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.