Home / 10,370.16-14,306.19-6,389.82

Finding the Fourth Proportional to 10,370.16, 14,306.19 and 6,389.82

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Solution

The fourth proportional to 10,370.16, 14,306.19 and 6,389.82 is: 8,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.16 : 14,306.19 = 6,389.82 : x
  2. Step 2: Convert to fraction form
    10,370.16/14,306.19 = 6,389.82/x
  3. Step 3: Cross multiply
    10,370.16x = 14,306.19 × 6,389.82
  4. Step 4: Simplify right side
    10,370.16x = 91,413,978.99
  5. Step 5: Solve for x
    x = 91,413,978.99/10,370.16
  6. Step 6: Final answer
    x = 8,815.10

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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.