Home / 11,875.05-16,387.34-6,570.09

Finding the Fourth Proportional to 11,875.05, 16,387.34 and 6,570.09

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Solution

The fourth proportional to 11,875.05, 16,387.34 and 6,570.09 is: 9,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.05 : 16,387.34 = 6,570.09 : x
  2. Step 2: Convert to fraction form
    11,875.05/16,387.34 = 6,570.09/x
  3. Step 3: Cross multiply
    11,875.05x = 16,387.34 × 6,570.09
  4. Step 4: Simplify right side
    11,875.05x = 107,666,265.81
  5. Step 5: Solve for x
    x = 107,666,265.81/11,875.05
  6. Step 6: Final answer
    x = 9,066.59

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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.