Home / 10,517.12-14,515.02-6,740.92

Finding the Fourth Proportional to 10,517.12, 14,515.02 and 6,740.92

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Solution

The fourth proportional to 10,517.12, 14,515.02 and 6,740.92 is: 9,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.12 : 14,515.02 = 6,740.92 : x
  2. Step 2: Convert to fraction form
    10,517.12/14,515.02 = 6,740.92/x
  3. Step 3: Cross multiply
    10,517.12x = 14,515.02 × 6,740.92
  4. Step 4: Simplify right side
    10,517.12x = 97,844,588.62
  5. Step 5: Solve for x
    x = 97,844,588.62/10,517.12
  6. Step 6: Final answer
    x = 9,303.36

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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.