Home / 15,588.34-21,510.52-9,621.93

Finding the Fourth Proportional to 15,588.34, 21,510.52 and 9,621.93

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Solution

The fourth proportional to 15,588.34, 21,510.52 and 9,621.93 is: 13,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588.34 : 21,510.52 = 9,621.93 : x
  2. Step 2: Convert to fraction form
    15,588.34/21,510.52 = 9,621.93/x
  3. Step 3: Cross multiply
    15,588.34x = 21,510.52 × 9,621.93
  4. Step 4: Simplify right side
    15,588.34x = 206,972,747.43
  5. Step 5: Solve for x
    x = 206,972,747.43/15,588.34
  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.