Home / 14,557.77-20,089.62-8,270.15

Finding the Fourth Proportional to 14,557.77, 20,089.62 and 8,270.15

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Solution

The fourth proportional to 14,557.77, 20,089.62 and 8,270.15 is: 11,412.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.77 : 20,089.62 = 8,270.15 : x
  2. Step 2: Convert to fraction form
    14,557.77/20,089.62 = 8,270.15/x
  3. Step 3: Cross multiply
    14,557.77x = 20,089.62 × 8,270.15
  4. Step 4: Simplify right side
    14,557.77x = 166,144,070.39
  5. Step 5: Solve for x
    x = 166,144,070.39/14,557.77
  6. Step 6: Final answer
    x = 11,412.74

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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.