Home / 13,317.60-19,951.80-7,773.60

Finding the Fourth Proportional to 13,317.60, 19,951.80 and 7,773.60

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Solution

The fourth proportional to 13,317.60, 19,951.80 and 7,773.60 is: 11,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.60 : 19,951.80 = 7,773.60 : x
  2. Step 2: Convert to fraction form
    13,317.60/19,951.80 = 7,773.60/x
  3. Step 3: Cross multiply
    13,317.60x = 19,951.80 × 7,773.60
  4. Step 4: Simplify right side
    13,317.60x = 155,097,312.48
  5. Step 5: Solve for x
    x = 155,097,312.48/13,317.60
  6. Step 6: Final answer
    x = 11,646.04

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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.