Home / 15,619.84-23,418.72-7,291.04

Finding the Fourth Proportional to 15,619.84, 23,418.72 and 7,291.04

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Solution

The fourth proportional to 15,619.84, 23,418.72 and 7,291.04 is: 10,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.84 : 23,418.72 = 7,291.04 : x
  2. Step 2: Convert to fraction form
    15,619.84/23,418.72 = 7,291.04/x
  3. Step 3: Cross multiply
    15,619.84x = 23,418.72 × 7,291.04
  4. Step 4: Simplify right side
    15,619.84x = 170,746,824.27
  5. Step 5: Solve for x
    x = 170,746,824.27/15,619.84
  6. Step 6: Final answer
    x = 10,931.41

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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.