Home / 11,810.47-16,298.34-6,505.18

Finding the Fourth Proportional to 11,810.47, 16,298.34 and 6,505.18

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Solution

The fourth proportional to 11,810.47, 16,298.34 and 6,505.18 is: 8,977.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.47 : 16,298.34 = 6,505.18 : x
  2. Step 2: Convert to fraction form
    11,810.47/16,298.34 = 6,505.18/x
  3. Step 3: Cross multiply
    11,810.47x = 16,298.34 × 6,505.18
  4. Step 4: Simplify right side
    11,810.47x = 106,023,635.40
  5. Step 5: Solve for x
    x = 106,023,635.40/11,810.47
  6. Step 6: Final answer
    x = 8,977.09

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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.