Home / 10,970.88-16,457.60-6,867.20

Finding the Fourth Proportional to 10,970.88, 16,457.60 and 6,867.20

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Solution

The fourth proportional to 10,970.88, 16,457.60 and 6,867.20 is: 10,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970.88 : 16,457.60 = 6,867.20 : x
  2. Step 2: Convert to fraction form
    10,970.88/16,457.60 = 6,867.20/x
  3. Step 3: Cross multiply
    10,970.88x = 16,457.60 × 6,867.20
  4. Step 4: Simplify right side
    10,970.88x = 113,017,630.72
  5. Step 5: Solve for x
    x = 113,017,630.72/10,970.88
  6. Step 6: Final answer
    x = 10,301.60

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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.