Home / 11,314.62-16,947.36-6,918.75

Finding the Fourth Proportional to 11,314.62, 16,947.36 and 6,918.75

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Solution

The fourth proportional to 11,314.62, 16,947.36 and 6,918.75 is: 10,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.62 : 16,947.36 = 6,918.75 : x
  2. Step 2: Convert to fraction form
    11,314.62/16,947.36 = 6,918.75/x
  3. Step 3: Cross multiply
    11,314.62x = 16,947.36 × 6,918.75
  4. Step 4: Simplify right side
    11,314.62x = 117,254,547
  5. Step 5: Solve for x
    x = 117,254,547/11,314.62
  6. Step 6: Final answer
    x = 10,363.10

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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.