Home / 15,239.67-22,859.40-4,146.31

Finding the Fourth Proportional to 15,239.67, 22,859.40 and 4,146.31

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Solution

The fourth proportional to 15,239.67, 22,859.40 and 4,146.31 is: 6,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.67 : 22,859.40 = 4,146.31 : x
  2. Step 2: Convert to fraction form
    15,239.67/22,859.40 = 4,146.31/x
  3. Step 3: Cross multiply
    15,239.67x = 22,859.40 × 4,146.31
  4. Step 4: Simplify right side
    15,239.67x = 94,782,158.81
  5. Step 5: Solve for x
    x = 94,782,158.81/15,239.67
  6. Step 6: Final answer
    x = 6,219.44

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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.