Home / 10,383.95-15,573.59-2,986.76

Finding the Fourth Proportional to 10,383.95, 15,573.59 and 2,986.76

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Solution

The fourth proportional to 10,383.95, 15,573.59 and 2,986.76 is: 4,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.95 : 15,573.59 = 2,986.76 : x
  2. Step 2: Convert to fraction form
    10,383.95/15,573.59 = 2,986.76/x
  3. Step 3: Cross multiply
    10,383.95x = 15,573.59 × 2,986.76
  4. Step 4: Simplify right side
    10,383.95x = 46,514,575.67
  5. Step 5: Solve for x
    x = 46,514,575.67/10,383.95
  6. Step 6: Final answer
    x = 4,479.47

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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.