Home / 10,759.60-16,139.40-4,927.60

Finding the Fourth Proportional to 10,759.60, 16,139.40 and 4,927.60

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Solution

The fourth proportional to 10,759.60, 16,139.40 and 4,927.60 is: 7,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.60 : 16,139.40 = 4,927.60 : x
  2. Step 2: Convert to fraction form
    10,759.60/16,139.40 = 4,927.60/x
  3. Step 3: Cross multiply
    10,759.60x = 16,139.40 × 4,927.60
  4. Step 4: Simplify right side
    10,759.60x = 79,528,507.44
  5. Step 5: Solve for x
    x = 79,528,507.44/10,759.60
  6. Step 6: Final answer
    x = 7,391.40

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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.