Home / 10,345.91-14,284.50-9,684.95

Finding the Fourth Proportional to 10,345.91, 14,284.50 and 9,684.95

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Solution

The fourth proportional to 10,345.91, 14,284.50 and 9,684.95 is: 13,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.91 : 14,284.50 = 9,684.95 : x
  2. Step 2: Convert to fraction form
    10,345.91/14,284.50 = 9,684.95/x
  3. Step 3: Cross multiply
    10,345.91x = 14,284.50 × 9,684.95
  4. Step 4: Simplify right side
    10,345.91x = 138,344,668.28
  5. Step 5: Solve for x
    x = 138,344,668.28/10,345.91
  6. Step 6: Final answer
    x = 13,371.92

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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.