Home / 11,985.29-16,544.78-7,508.07

Finding the Fourth Proportional to 11,985.29, 16,544.78 and 7,508.07

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Solution

The fourth proportional to 11,985.29, 16,544.78 and 7,508.07 is: 10,364.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.29 : 16,544.78 = 7,508.07 : x
  2. Step 2: Convert to fraction form
    11,985.29/16,544.78 = 7,508.07/x
  3. Step 3: Cross multiply
    11,985.29x = 16,544.78 × 7,508.07
  4. Step 4: Simplify right side
    11,985.29x = 124,219,328.83
  5. Step 5: Solve for x
    x = 124,219,328.83/11,985.29
  6. Step 6: Final answer
    x = 10,364.32

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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.