Home / 10,999.64-16,495.40-4,760.56

Finding the Fourth Proportional to 10,999.64, 16,495.40 and 4,760.56

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Solution

The fourth proportional to 10,999.64, 16,495.40 and 4,760.56 is: 7,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.64 : 16,495.40 = 4,760.56 : x
  2. Step 2: Convert to fraction form
    10,999.64/16,495.40 = 4,760.56/x
  3. Step 3: Cross multiply
    10,999.64x = 16,495.40 × 4,760.56
  4. Step 4: Simplify right side
    10,999.64x = 78,527,341.42
  5. Step 5: Solve for x
    x = 78,527,341.42/10,999.64
  6. Step 6: Final answer
    x = 7,139.08

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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.