Home / 10,302.19-14,226.64-8,285.90

Finding the Fourth Proportional to 10,302.19, 14,226.64 and 8,285.90

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Solution

The fourth proportional to 10,302.19, 14,226.64 and 8,285.90 is: 11,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.19 : 14,226.64 = 8,285.90 : x
  2. Step 2: Convert to fraction form
    10,302.19/14,226.64 = 8,285.90/x
  3. Step 3: Cross multiply
    10,302.19x = 14,226.64 × 8,285.90
  4. Step 4: Simplify right side
    10,302.19x = 117,880,424.53
  5. Step 5: Solve for x
    x = 117,880,424.53/10,302.19
  6. Step 6: Final answer
    x = 11,442.27

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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.