Home / 13,285.02-19,928.76-3,925.02

Finding the Fourth Proportional to 13,285.02, 19,928.76 and 3,925.02

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Solution

The fourth proportional to 13,285.02, 19,928.76 and 3,925.02 is: 5,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.02 : 19,928.76 = 3,925.02 : x
  2. Step 2: Convert to fraction form
    13,285.02/19,928.76 = 3,925.02/x
  3. Step 3: Cross multiply
    13,285.02x = 19,928.76 × 3,925.02
  4. Step 4: Simplify right side
    13,285.02x = 78,220,781.58
  5. Step 5: Solve for x
    x = 78,220,781.58/13,285.02
  6. Step 6: Final answer
    x = 5,887.89

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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.