Home / 10,817.10-14,928.90-6,101.28

Finding the Fourth Proportional to 10,817.10, 14,928.90 and 6,101.28

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Solution

The fourth proportional to 10,817.10, 14,928.90 and 6,101.28 is: 8,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.10 : 14,928.90 = 6,101.28 : x
  2. Step 2: Convert to fraction form
    10,817.10/14,928.90 = 6,101.28/x
  3. Step 3: Cross multiply
    10,817.10x = 14,928.90 × 6,101.28
  4. Step 4: Simplify right side
    10,817.10x = 91,085,398.99
  5. Step 5: Solve for x
    x = 91,085,398.99/10,817.10
  6. Step 6: Final answer
    x = 8,420.50

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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.