Home / 11,620.51-16,036.37-6,315.32

Finding the Fourth Proportional to 11,620.51, 16,036.37 and 6,315.32

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Solution

The fourth proportional to 11,620.51, 16,036.37 and 6,315.32 is: 8,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.51 : 16,036.37 = 6,315.32 : x
  2. Step 2: Convert to fraction form
    11,620.51/16,036.37 = 6,315.32/x
  3. Step 3: Cross multiply
    11,620.51x = 16,036.37 × 6,315.32
  4. Step 4: Simplify right side
    11,620.51x = 101,274,808.19
  5. Step 5: Solve for x
    x = 101,274,808.19/11,620.51
  6. Step 6: Final answer
    x = 8,715.18

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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.