Home / 15,416.22-23,120.49-6,655.26

Finding the Fourth Proportional to 15,416.22, 23,120.49 and 6,655.26

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Solution

The fourth proportional to 15,416.22, 23,120.49 and 6,655.26 is: 9,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.22 : 23,120.49 = 6,655.26 : x
  2. Step 2: Convert to fraction form
    15,416.22/23,120.49 = 6,655.26/x
  3. Step 3: Cross multiply
    15,416.22x = 23,120.49 × 6,655.26
  4. Step 4: Simplify right side
    15,416.22x = 153,872,872.28
  5. Step 5: Solve for x
    x = 153,872,872.28/15,416.22
  6. Step 6: Final answer
    x = 9,981.23

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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.