Home / 10,605.24-14,628.50-6,515.25

Finding the Fourth Proportional to 10,605.24, 14,628.50 and 6,515.25

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Solution

The fourth proportional to 10,605.24, 14,628.50 and 6,515.25 is: 8,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.24 : 14,628.50 = 6,515.25 : x
  2. Step 2: Convert to fraction form
    10,605.24/14,628.50 = 6,515.25/x
  3. Step 3: Cross multiply
    10,605.24x = 14,628.50 × 6,515.25
  4. Step 4: Simplify right side
    10,605.24x = 95,308,350.91
  5. Step 5: Solve for x
    x = 95,308,350.91/10,605.24
  6. Step 6: Final answer
    x = 8,986.91

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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.