Home / 15,542.92-23,300.53-7,218.40

Finding the Fourth Proportional to 15,542.92, 23,300.53 and 7,218.40

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Solution

The fourth proportional to 15,542.92, 23,300.53 and 7,218.40 is: 10,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.92 : 23,300.53 = 7,218.40 : x
  2. Step 2: Convert to fraction form
    15,542.92/23,300.53 = 7,218.40/x
  3. Step 3: Cross multiply
    15,542.92x = 23,300.53 × 7,218.40
  4. Step 4: Simplify right side
    15,542.92x = 168,192,479.22
  5. Step 5: Solve for x
    x = 168,192,479.22/15,542.92
  6. Step 6: Final answer
    x = 10,821.16

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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.