Home / 10,459.06-15,688.14-2,667.70

Finding the Fourth Proportional to 10,459.06, 15,688.14 and 2,667.70

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Solution

The fourth proportional to 10,459.06, 15,688.14 and 2,667.70 is: 4,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.06 : 15,688.14 = 2,667.70 : x
  2. Step 2: Convert to fraction form
    10,459.06/15,688.14 = 2,667.70/x
  3. Step 3: Cross multiply
    10,459.06x = 15,688.14 × 2,667.70
  4. Step 4: Simplify right side
    10,459.06x = 41,851,251.08
  5. Step 5: Solve for x
    x = 41,851,251.08/10,459.06
  6. Step 6: Final answer
    x = 4,001.44

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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.