Home / 10,214.36-15,328.04-9,579.32

Finding the Fourth Proportional to 10,214.36, 15,328.04 and 9,579.32

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Solution

The fourth proportional to 10,214.36, 15,328.04 and 9,579.32 is: 14,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.36 : 15,328.04 = 9,579.32 : x
  2. Step 2: Convert to fraction form
    10,214.36/15,328.04 = 9,579.32/x
  3. Step 3: Cross multiply
    10,214.36x = 15,328.04 × 9,579.32
  4. Step 4: Simplify right side
    10,214.36x = 146,832,200.13
  5. Step 5: Solve for x
    x = 146,832,200.13/10,214.36
  6. Step 6: Final answer
    x = 14,375.08

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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.