Home / 10,646.60-15,986.70-6,267.40

Finding the Fourth Proportional to 10,646.60, 15,986.70 and 6,267.40

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Solution

The fourth proportional to 10,646.60, 15,986.70 and 6,267.40 is: 9,410.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.60 : 15,986.70 = 6,267.40 : x
  2. Step 2: Convert to fraction form
    10,646.60/15,986.70 = 6,267.40/x
  3. Step 3: Cross multiply
    10,646.60x = 15,986.70 × 6,267.40
  4. Step 4: Simplify right side
    10,646.60x = 100,195,043.58
  5. Step 5: Solve for x
    x = 100,195,043.58/10,646.60
  6. Step 6: Final answer
    x = 9,410.99

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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.