Home / 10,627.90-14,664.95-6,378.05

Finding the Fourth Proportional to 10,627.90, 14,664.95 and 6,378.05

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Solution

The fourth proportional to 10,627.90, 14,664.95 and 6,378.05 is: 8,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.90 : 14,664.95 = 6,378.05 : x
  2. Step 2: Convert to fraction form
    10,627.90/14,664.95 = 6,378.05/x
  3. Step 3: Cross multiply
    10,627.90x = 14,664.95 × 6,378.05
  4. Step 4: Simplify right side
    10,627.90x = 93,533,784.35
  5. Step 5: Solve for x
    x = 93,533,784.35/10,627.90
  6. Step 6: Final answer
    x = 8,800.78

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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.