Home / 10,875.25-16,312.88-2,667.25

Finding the Fourth Proportional to 10,875.25, 16,312.88 and 2,667.25

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Solution

The fourth proportional to 10,875.25, 16,312.88 and 2,667.25 is: 4,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.25 : 16,312.88 = 2,667.25 : x
  2. Step 2: Convert to fraction form
    10,875.25/16,312.88 = 2,667.25/x
  3. Step 3: Cross multiply
    10,875.25x = 16,312.88 × 2,667.25
  4. Step 4: Simplify right side
    10,875.25x = 43,510,529.18
  5. Step 5: Solve for x
    x = 43,510,529.18/10,875.25
  6. Step 6: Final answer
    x = 4,000.88

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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.