Home / 15,467.04-21,344.40-12,113.28

Finding the Fourth Proportional to 15,467.04, 21,344.40 and 12,113.28

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Solution

The fourth proportional to 15,467.04, 21,344.40 and 12,113.28 is: 16,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.04 : 21,344.40 = 12,113.28 : x
  2. Step 2: Convert to fraction form
    15,467.04/21,344.40 = 12,113.28/x
  3. Step 3: Cross multiply
    15,467.04x = 21,344.40 × 12,113.28
  4. Step 4: Simplify right side
    15,467.04x = 258,550,693.63
  5. Step 5: Solve for x
    x = 258,550,693.63/15,467.04
  6. Step 6: Final answer
    x = 16,716.24

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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.