Home / 10,646.28-14,693.36-6,170.20

Finding the Fourth Proportional to 10,646.28, 14,693.36 and 6,170.20

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Solution

The fourth proportional to 10,646.28, 14,693.36 and 6,170.20 is: 8,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.28 : 14,693.36 = 6,170.20 : x
  2. Step 2: Convert to fraction form
    10,646.28/14,693.36 = 6,170.20/x
  3. Step 3: Cross multiply
    10,646.28x = 14,693.36 × 6,170.20
  4. Step 4: Simplify right side
    10,646.28x = 90,660,969.87
  5. Step 5: Solve for x
    x = 90,660,969.87/10,646.28
  6. Step 6: Final answer
    x = 8,515.74

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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.