Home / 15,628.84-23,467.08-13,653.40

Finding the Fourth Proportional to 15,628.84, 23,467.08 and 13,653.40

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Solution

The fourth proportional to 15,628.84, 23,467.08 and 13,653.40 is: 20,500.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.84 : 23,467.08 = 13,653.40 : x
  2. Step 2: Convert to fraction form
    15,628.84/23,467.08 = 13,653.40/x
  3. Step 3: Cross multiply
    15,628.84x = 23,467.08 × 13,653.40
  4. Step 4: Simplify right side
    15,628.84x = 320,405,430.07
  5. Step 5: Solve for x
    x = 320,405,430.07/15,628.84
  6. Step 6: Final answer
    x = 20,500.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.