Home / 10,306.28-14,215.14-6,530.60

Finding the Fourth Proportional to 10,306.28, 14,215.14 and 6,530.60

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Solution

The fourth proportional to 10,306.28, 14,215.14 and 6,530.60 is: 9,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.28 : 14,215.14 = 6,530.60 : x
  2. Step 2: Convert to fraction form
    10,306.28/14,215.14 = 6,530.60/x
  3. Step 3: Cross multiply
    10,306.28x = 14,215.14 × 6,530.60
  4. Step 4: Simplify right side
    10,306.28x = 92,833,393.28
  5. Step 5: Solve for x
    x = 92,833,393.28/10,306.28
  6. Step 6: Final answer
    x = 9,007.46

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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.