Home / 10,766.47-14,859.30-6,289.60

Finding the Fourth Proportional to 10,766.47, 14,859.30 and 6,289.60

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Solution

The fourth proportional to 10,766.47, 14,859.30 and 6,289.60 is: 8,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.47 : 14,859.30 = 6,289.60 : x
  2. Step 2: Convert to fraction form
    10,766.47/14,859.30 = 6,289.60/x
  3. Step 3: Cross multiply
    10,766.47x = 14,859.30 × 6,289.60
  4. Step 4: Simplify right side
    10,766.47x = 93,459,053.28
  5. Step 5: Solve for x
    x = 93,459,053.28/10,766.47
  6. Step 6: Final answer
    x = 8,680.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.