Home / 14,570.84-20,110.34-8,602.12

Finding the Fourth Proportional to 14,570.84, 20,110.34 and 8,602.12

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Solution

The fourth proportional to 14,570.84, 20,110.34 and 8,602.12 is: 11,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.84 : 20,110.34 = 8,602.12 : x
  2. Step 2: Convert to fraction form
    14,570.84/20,110.34 = 8,602.12/x
  3. Step 3: Cross multiply
    14,570.84x = 20,110.34 × 8,602.12
  4. Step 4: Simplify right side
    14,570.84x = 172,991,557.92
  5. Step 5: Solve for x
    x = 172,991,557.92/14,570.84
  6. Step 6: Final answer
    x = 11,872.45

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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.