Home / 10,647.45-14,693.64-5,931.75

Finding the Fourth Proportional to 10,647.45, 14,693.64 and 5,931.75

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Solution

The fourth proportional to 10,647.45, 14,693.64 and 5,931.75 is: 8,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.45 : 14,693.64 = 5,931.75 : x
  2. Step 2: Convert to fraction form
    10,647.45/14,693.64 = 5,931.75/x
  3. Step 3: Cross multiply
    10,647.45x = 14,693.64 × 5,931.75
  4. Step 4: Simplify right side
    10,647.45x = 87,158,999.07
  5. Step 5: Solve for x
    x = 87,158,999.07/10,647.45
  6. Step 6: Final answer
    x = 8,185.90

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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.