Home / 11,507.40-15,868.54-10,837.74

Finding the Fourth Proportional to 11,507.40, 15,868.54 and 10,837.74

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Solution

The fourth proportional to 11,507.40, 15,868.54 and 10,837.74 is: 14,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507.40 : 15,868.54 = 10,837.74 : x
  2. Step 2: Convert to fraction form
    11,507.40/15,868.54 = 10,837.74/x
  3. Step 3: Cross multiply
    11,507.40x = 15,868.54 × 10,837.74
  4. Step 4: Simplify right side
    11,507.40x = 171,979,110.70
  5. Step 5: Solve for x
    x = 171,979,110.70/11,507.40
  6. Step 6: Final answer
    x = 14,945.09

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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.