Home / 15,448.77-21,319.04-8,734.14

Finding the Fourth Proportional to 15,448.77, 21,319.04 and 8,734.14

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Solution

The fourth proportional to 15,448.77, 21,319.04 and 8,734.14 is: 12,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.77 : 21,319.04 = 8,734.14 : x
  2. Step 2: Convert to fraction form
    15,448.77/21,319.04 = 8,734.14/x
  3. Step 3: Cross multiply
    15,448.77x = 21,319.04 × 8,734.14
  4. Step 4: Simplify right side
    15,448.77x = 186,203,501.86
  5. Step 5: Solve for x
    x = 186,203,501.86/15,448.77
  6. Step 6: Final answer
    x = 12,052.97

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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.