Home / 10,355.82-14,290.65-6,107.40

Finding the Fourth Proportional to 10,355.82, 14,290.65 and 6,107.40

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Solution

The fourth proportional to 10,355.82, 14,290.65 and 6,107.40 is: 8,427.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.82 : 14,290.65 = 6,107.40 : x
  2. Step 2: Convert to fraction form
    10,355.82/14,290.65 = 6,107.40/x
  3. Step 3: Cross multiply
    10,355.82x = 14,290.65 × 6,107.40
  4. Step 4: Simplify right side
    10,355.82x = 87,278,715.81
  5. Step 5: Solve for x
    x = 87,278,715.81/10,355.82
  6. Step 6: Final answer
    x = 8,427.99

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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.