Home / 10,861.37-14,988.89-6,146.63

Finding the Fourth Proportional to 10,861.37, 14,988.89 and 6,146.63

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Solution

The fourth proportional to 10,861.37, 14,988.89 and 6,146.63 is: 8,482.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.37 : 14,988.89 = 6,146.63 : x
  2. Step 2: Convert to fraction form
    10,861.37/14,988.89 = 6,146.63/x
  3. Step 3: Cross multiply
    10,861.37x = 14,988.89 × 6,146.63
  4. Step 4: Simplify right side
    10,861.37x = 92,131,130.21
  5. Step 5: Solve for x
    x = 92,131,130.21/10,861.37
  6. Step 6: Final answer
    x = 8,482.46

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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.