Home / 21,762.66-32,616.45-10,666.74

Finding the Fourth Proportional to 21,762.66, 32,616.45 and 10,666.74

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Solution

The fourth proportional to 21,762.66, 32,616.45 and 10,666.74 is: 15,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762.66 : 32,616.45 = 10,666.74 : x
  2. Step 2: Convert to fraction form
    21,762.66/32,616.45 = 10,666.74/x
  3. Step 3: Cross multiply
    21,762.66x = 32,616.45 × 10,666.74
  4. Step 4: Simplify right side
    21,762.66x = 347,911,191.87
  5. Step 5: Solve for x
    x = 347,911,191.87/21,762.66
  6. Step 6: Final answer
    x = 15,986.61

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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.