Home / 10,507.30-15,760.94-2,715.50

Finding the Fourth Proportional to 10,507.30, 15,760.94 and 2,715.50

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Solution

The fourth proportional to 10,507.30, 15,760.94 and 2,715.50 is: 4,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.30 : 15,760.94 = 2,715.50 : x
  2. Step 2: Convert to fraction form
    10,507.30/15,760.94 = 2,715.50/x
  3. Step 3: Cross multiply
    10,507.30x = 15,760.94 × 2,715.50
  4. Step 4: Simplify right side
    10,507.30x = 42,798,832.57
  5. Step 5: Solve for x
    x = 42,798,832.57/10,507.30
  6. Step 6: Final answer
    x = 4,073.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.