Home / 14,385.47-21,570.87-6,587.60

Finding the Fourth Proportional to 14,385.47, 21,570.87 and 6,587.60

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Solution

The fourth proportional to 14,385.47, 21,570.87 and 6,587.60 is: 9,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.47 : 21,570.87 = 6,587.60 : x
  2. Step 2: Convert to fraction form
    14,385.47/21,570.87 = 6,587.60/x
  3. Step 3: Cross multiply
    14,385.47x = 21,570.87 × 6,587.60
  4. Step 4: Simplify right side
    14,385.47x = 142,100,180.06
  5. Step 5: Solve for x
    x = 142,100,180.06/14,385.47
  6. Step 6: Final answer
    x = 9,878.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.