Home / 14,904.72-20,570.40-8,616.96

Finding the Fourth Proportional to 14,904.72, 20,570.40 and 8,616.96

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Solution

The fourth proportional to 14,904.72, 20,570.40 and 8,616.96 is: 11,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.72 : 20,570.40 = 8,616.96 : x
  2. Step 2: Convert to fraction form
    14,904.72/20,570.40 = 8,616.96/x
  3. Step 3: Cross multiply
    14,904.72x = 20,570.40 × 8,616.96
  4. Step 4: Simplify right side
    14,904.72x = 177,254,313.98
  5. Step 5: Solve for x
    x = 177,254,313.98/14,904.72
  6. Step 6: Final answer
    x = 11,892.50

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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.