Home / 15,723.60-23,561.64-10,520.16

Finding the Fourth Proportional to 15,723.60, 23,561.64 and 10,520.16

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Solution

The fourth proportional to 15,723.60, 23,561.64 and 10,520.16 is: 15,764.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,723.60 : 23,561.64 = 10,520.16 : x
  2. Step 2: Convert to fraction form
    15,723.60/23,561.64 = 10,520.16/x
  3. Step 3: Cross multiply
    15,723.60x = 23,561.64 × 10,520.16
  4. Step 4: Simplify right side
    15,723.60x = 247,872,222.66
  5. Step 5: Solve for x
    x = 247,872,222.66/15,723.60
  6. Step 6: Final answer
    x = 15,764.34

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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.