Home / 11,159.01-15,398.33-6,444.81

Finding the Fourth Proportional to 11,159.01, 15,398.33 and 6,444.81

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Solution

The fourth proportional to 11,159.01, 15,398.33 and 6,444.81 is: 8,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.01 : 15,398.33 = 6,444.81 : x
  2. Step 2: Convert to fraction form
    11,159.01/15,398.33 = 6,444.81/x
  3. Step 3: Cross multiply
    11,159.01x = 15,398.33 × 6,444.81
  4. Step 4: Simplify right side
    11,159.01x = 99,239,278.94
  5. Step 5: Solve for x
    x = 99,239,278.94/11,159.01
  6. Step 6: Final answer
    x = 8,893.20

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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.