Home / 11,320.51-16,980.69-6,159.19

Finding the Fourth Proportional to 11,320.51, 16,980.69 and 6,159.19

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Solution

The fourth proportional to 11,320.51, 16,980.69 and 6,159.19 is: 9,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.51 : 16,980.69 = 6,159.19 : x
  2. Step 2: Convert to fraction form
    11,320.51/16,980.69 = 6,159.19/x
  3. Step 3: Cross multiply
    11,320.51x = 16,980.69 × 6,159.19
  4. Step 4: Simplify right side
    11,320.51x = 104,587,211.14
  5. Step 5: Solve for x
    x = 104,587,211.14/11,320.51
  6. Step 6: Final answer
    x = 9,238.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.