Home / 10,328.61-15,530.28-9,516.69

Finding the Fourth Proportional to 10,328.61, 15,530.28 and 9,516.69

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Solution

The fourth proportional to 10,328.61, 15,530.28 and 9,516.69 is: 14,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.61 : 15,530.28 = 9,516.69 : x
  2. Step 2: Convert to fraction form
    10,328.61/15,530.28 = 9,516.69/x
  3. Step 3: Cross multiply
    10,328.61x = 15,530.28 × 9,516.69
  4. Step 4: Simplify right side
    10,328.61x = 147,796,860.37
  5. Step 5: Solve for x
    x = 147,796,860.37/10,328.61
  6. Step 6: Final answer
    x = 14,309.46

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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.