Home / 10,318.66-14,239.53-5,602.90

Finding the Fourth Proportional to 10,318.66, 14,239.53 and 5,602.90

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Solution

The fourth proportional to 10,318.66, 14,239.53 and 5,602.90 is: 7,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.66 : 14,239.53 = 5,602.90 : x
  2. Step 2: Convert to fraction form
    10,318.66/14,239.53 = 5,602.90/x
  3. Step 3: Cross multiply
    10,318.66x = 14,239.53 × 5,602.90
  4. Step 4: Simplify right side
    10,318.66x = 79,782,662.64
  5. Step 5: Solve for x
    x = 79,782,662.64/10,318.66
  6. Step 6: Final answer
    x = 7,731.88

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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.