Home / 10,479.24-15,718.90-9,953.68

Finding the Fourth Proportional to 10,479.24, 15,718.90 and 9,953.68

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Solution

The fourth proportional to 10,479.24, 15,718.90 and 9,953.68 is: 14,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.24 : 15,718.90 = 9,953.68 : x
  2. Step 2: Convert to fraction form
    10,479.24/15,718.90 = 9,953.68/x
  3. Step 3: Cross multiply
    10,479.24x = 15,718.90 × 9,953.68
  4. Step 4: Simplify right side
    10,479.24x = 156,460,900.55
  5. Step 5: Solve for x
    x = 156,460,900.55/10,479.24
  6. Step 6: Final answer
    x = 14,930.56

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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.