Home / 11,875.24-16,387.38-6,570.28

Finding the Fourth Proportional to 11,875.24, 16,387.38 and 6,570.28

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Solution

The fourth proportional to 11,875.24, 16,387.38 and 6,570.28 is: 9,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.24 : 16,387.38 = 6,570.28 : x
  2. Step 2: Convert to fraction form
    11,875.24/16,387.38 = 6,570.28/x
  3. Step 3: Cross multiply
    11,875.24x = 16,387.38 × 6,570.28
  4. Step 4: Simplify right side
    11,875.24x = 107,669,675.07
  5. Step 5: Solve for x
    x = 107,669,675.07/11,875.24
  6. Step 6: Final answer
    x = 9,066.74

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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.