Home / 10,662.02-14,722.86-6,689.96

Finding the Fourth Proportional to 10,662.02, 14,722.86 and 6,689.96

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Solution

The fourth proportional to 10,662.02, 14,722.86 and 6,689.96 is: 9,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.02 : 14,722.86 = 6,689.96 : x
  2. Step 2: Convert to fraction form
    10,662.02/14,722.86 = 6,689.96/x
  3. Step 3: Cross multiply
    10,662.02x = 14,722.86 × 6,689.96
  4. Step 4: Simplify right side
    10,662.02x = 98,495,344.49
  5. Step 5: Solve for x
    x = 98,495,344.49/10,662.02
  6. Step 6: Final answer
    x = 9,237.96

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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.