Home / 15,410.01-21,265.99-8,695.72

Finding the Fourth Proportional to 15,410.01, 21,265.99 and 8,695.72

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Solution

The fourth proportional to 15,410.01, 21,265.99 and 8,695.72 is: 12,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.01 : 21,265.99 = 8,695.72 : x
  2. Step 2: Convert to fraction form
    15,410.01/21,265.99 = 8,695.72/x
  3. Step 3: Cross multiply
    15,410.01x = 21,265.99 × 8,695.72
  4. Step 4: Simplify right side
    15,410.01x = 184,923,148.32
  5. Step 5: Solve for x
    x = 184,923,148.32/15,410.01
  6. Step 6: Final answer
    x = 12,000.19

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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.