Home / 15,588.35-21,510.52-9,621.94

Finding the Fourth Proportional to 15,588.35, 21,510.52 and 9,621.94

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Solution

The fourth proportional to 15,588.35, 21,510.52 and 9,621.94 is: 13,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588.35 : 21,510.52 = 9,621.94 : x
  2. Step 2: Convert to fraction form
    15,588.35/21,510.52 = 9,621.94/x
  3. Step 3: Cross multiply
    15,588.35x = 21,510.52 × 9,621.94
  4. Step 4: Simplify right side
    15,588.35x = 206,972,825.26
  5. Step 5: Solve for x
    x = 206,972,825.26/15,588.35
  6. Step 6: Final answer
    x = 13,277.41

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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.