Home / 15,939.84-23,909.76-5,551.68

Finding the Fourth Proportional to 15,939.84, 23,909.76 and 5,551.68

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Solution

The fourth proportional to 15,939.84, 23,909.76 and 5,551.68 is: 8,327.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.84 : 23,909.76 = 5,551.68 : x
  2. Step 2: Convert to fraction form
    15,939.84/23,909.76 = 5,551.68/x
  3. Step 3: Cross multiply
    15,939.84x = 23,909.76 × 5,551.68
  4. Step 4: Simplify right side
    15,939.84x = 132,739,336.40
  5. Step 5: Solve for x
    x = 132,739,336.40/15,939.84
  6. Step 6: Final answer
    x = 8,327.52

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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.