Home / 11,823.16-16,315.06-6,518

Finding the Fourth Proportional to 11,823.16, 16,315.06 and 6,518

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Solution

The fourth proportional to 11,823.16, 16,315.06 and 6,518 is: 8,994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.16 : 16,315.06 = 6,518 : x
  2. Step 2: Convert to fraction form
    11,823.16/16,315.06 = 6,518/x
  3. Step 3: Cross multiply
    11,823.16x = 16,315.06 × 6,518
  4. Step 4: Simplify right side
    11,823.16x = 106,341,561.08
  5. Step 5: Solve for x
    x = 106,341,561.08/11,823.16
  6. Step 6: Final answer
    x = 8,994.34

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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.