Home / 20,235.72-30,367.50-7,088.16

Finding the Fourth Proportional to 20,235.72, 30,367.50 and 7,088.16

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Solution

The fourth proportional to 20,235.72, 30,367.50 and 7,088.16 is: 10,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.72 : 30,367.50 = 7,088.16 : x
  2. Step 2: Convert to fraction form
    20,235.72/30,367.50 = 7,088.16/x
  3. Step 3: Cross multiply
    20,235.72x = 30,367.50 × 7,088.16
  4. Step 4: Simplify right side
    20,235.72x = 215,249,698.80
  5. Step 5: Solve for x
    x = 215,249,698.80/20,235.72
  6. Step 6: Final answer
    x = 10,637.12

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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.