Home / 15,020.80-22,534.64-7,236.16

Finding the Fourth Proportional to 15,020.80, 22,534.64 and 7,236.16

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Solution

The fourth proportional to 15,020.80, 22,534.64 and 7,236.16 is: 10,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020.80 : 22,534.64 = 7,236.16 : x
  2. Step 2: Convert to fraction form
    15,020.80/22,534.64 = 7,236.16/x
  3. Step 3: Cross multiply
    15,020.80x = 22,534.64 × 7,236.16
  4. Step 4: Simplify right side
    15,020.80x = 163,064,260.58
  5. Step 5: Solve for x
    x = 163,064,260.58/15,020.80
  6. Step 6: Final answer
    x = 10,855.90

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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.