Home / 10,280.61-15,420.93-6,584.58

Finding the Fourth Proportional to 10,280.61, 15,420.93 and 6,584.58

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Solution

The fourth proportional to 10,280.61, 15,420.93 and 6,584.58 is: 9,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.61 : 15,420.93 = 6,584.58 : x
  2. Step 2: Convert to fraction form
    10,280.61/15,420.93 = 6,584.58/x
  3. Step 3: Cross multiply
    10,280.61x = 15,420.93 × 6,584.58
  4. Step 4: Simplify right side
    10,280.61x = 101,540,347.26
  5. Step 5: Solve for x
    x = 101,540,347.26/10,280.61
  6. Step 6: Final answer
    x = 9,876.88

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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.