Home / 15,647.40-23,339.25-14,558.76

Finding the Fourth Proportional to 15,647.40, 23,339.25 and 14,558.76

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Solution

The fourth proportional to 15,647.40, 23,339.25 and 14,558.76 is: 21,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.40 : 23,339.25 = 14,558.76 : x
  2. Step 2: Convert to fraction form
    15,647.40/23,339.25 = 14,558.76/x
  3. Step 3: Cross multiply
    15,647.40x = 23,339.25 × 14,558.76
  4. Step 4: Simplify right side
    15,647.40x = 339,790,539.33
  5. Step 5: Solve for x
    x = 339,790,539.33/15,647.40
  6. Step 6: Final answer
    x = 21,715.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.