Home / 10,559.79-15,838.32-5,016.69

Finding the Fourth Proportional to 10,559.79, 15,838.32 and 5,016.69

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Solution

The fourth proportional to 10,559.79, 15,838.32 and 5,016.69 is: 7,524.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.79 : 15,838.32 = 5,016.69 : x
  2. Step 2: Convert to fraction form
    10,559.79/15,838.32 = 5,016.69/x
  3. Step 3: Cross multiply
    10,559.79x = 15,838.32 × 5,016.69
  4. Step 4: Simplify right side
    10,559.79x = 79,455,941.56
  5. Step 5: Solve for x
    x = 79,455,941.56/10,559.79
  6. Step 6: Final answer
    x = 7,524.39

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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.