Home / 10,875.04-16,310.32-4,720.16

Finding the Fourth Proportional to 10,875.04, 16,310.32 and 4,720.16

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Solution

The fourth proportional to 10,875.04, 16,310.32 and 4,720.16 is: 7,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.04 : 16,310.32 = 4,720.16 : x
  2. Step 2: Convert to fraction form
    10,875.04/16,310.32 = 4,720.16/x
  3. Step 3: Cross multiply
    10,875.04x = 16,310.32 × 4,720.16
  4. Step 4: Simplify right side
    10,875.04x = 76,987,320.05
  5. Step 5: Solve for x
    x = 76,987,320.05/10,875.04
  6. Step 6: Final answer
    x = 7,079.27

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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.