Home / 15,557.56-21,471.06-9,589.08

Finding the Fourth Proportional to 15,557.56, 21,471.06 and 9,589.08

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Solution

The fourth proportional to 15,557.56, 21,471.06 and 9,589.08 is: 13,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.56 : 21,471.06 = 9,589.08 : x
  2. Step 2: Convert to fraction form
    15,557.56/21,471.06 = 9,589.08/x
  3. Step 3: Cross multiply
    15,557.56x = 21,471.06 × 9,589.08
  4. Step 4: Simplify right side
    15,557.56x = 205,887,634.37
  5. Step 5: Solve for x
    x = 205,887,634.37/15,557.56
  6. Step 6: Final answer
    x = 13,233.93

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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.