Home / 10,822.40-16,230.08-4,246.40

Finding the Fourth Proportional to 10,822.40, 16,230.08 and 4,246.40

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Solution

The fourth proportional to 10,822.40, 16,230.08 and 4,246.40 is: 6,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.40 : 16,230.08 = 4,246.40 : x
  2. Step 2: Convert to fraction form
    10,822.40/16,230.08 = 4,246.40/x
  3. Step 3: Cross multiply
    10,822.40x = 16,230.08 × 4,246.40
  4. Step 4: Simplify right side
    10,822.40x = 68,919,411.71
  5. Step 5: Solve for x
    x = 68,919,411.71/10,822.40
  6. Step 6: Final answer
    x = 6,368.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.