Home / 14,387.47-21,573.87-6,589.60

Finding the Fourth Proportional to 14,387.47, 21,573.87 and 6,589.60

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Solution

The fourth proportional to 14,387.47, 21,573.87 and 6,589.60 is: 9,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.47 : 21,573.87 = 6,589.60 : x
  2. Step 2: Convert to fraction form
    14,387.47/21,573.87 = 6,589.60/x
  3. Step 3: Cross multiply
    14,387.47x = 21,573.87 × 6,589.60
  4. Step 4: Simplify right side
    14,387.47x = 142,163,173.75
  5. Step 5: Solve for x
    x = 142,163,173.75/14,387.47
  6. Step 6: Final answer
    x = 9,881.04

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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.