Home / 11,525.81-15,899.60-7,275.34

Finding the Fourth Proportional to 11,525.81, 15,899.60 and 7,275.34

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Solution

The fourth proportional to 11,525.81, 15,899.60 and 7,275.34 is: 10,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.81 : 15,899.60 = 7,275.34 : x
  2. Step 2: Convert to fraction form
    11,525.81/15,899.60 = 7,275.34/x
  3. Step 3: Cross multiply
    11,525.81x = 15,899.60 × 7,275.34
  4. Step 4: Simplify right side
    11,525.81x = 115,675,058.18
  5. Step 5: Solve for x
    x = 115,675,058.18/11,525.81
  6. Step 6: Final answer
    x = 10,036.18

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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.