Home / 15,239.10-21,030.63-8,524.71

Finding the Fourth Proportional to 15,239.10, 21,030.63 and 8,524.71

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Solution

The fourth proportional to 15,239.10, 21,030.63 and 8,524.71 is: 11,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.10 : 21,030.63 = 8,524.71 : x
  2. Step 2: Convert to fraction form
    15,239.10/21,030.63 = 8,524.71/x
  3. Step 3: Cross multiply
    15,239.10x = 21,030.63 × 8,524.71
  4. Step 4: Simplify right side
    15,239.10x = 179,280,021.87
  5. Step 5: Solve for x
    x = 179,280,021.87/15,239.10
  6. Step 6: Final answer
    x = 11,764.48

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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.