Home / 11,874.90-16,386.69-6,569.40

Finding the Fourth Proportional to 11,874.90, 16,386.69 and 6,569.40

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Solution

The fourth proportional to 11,874.90, 16,386.69 and 6,569.40 is: 9,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874.90 : 16,386.69 = 6,569.40 : x
  2. Step 2: Convert to fraction form
    11,874.90/16,386.69 = 6,569.40/x
  3. Step 3: Cross multiply
    11,874.90x = 16,386.69 × 6,569.40
  4. Step 4: Simplify right side
    11,874.90x = 107,650,770.42
  5. Step 5: Solve for x
    x = 107,650,770.42/11,874.90
  6. Step 6: Final answer
    x = 9,065.40

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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.