Home / 15,771.65-23,628.77-9,177.84

Finding the Fourth Proportional to 15,771.65, 23,628.77 and 9,177.84

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Solution

The fourth proportional to 15,771.65, 23,628.77 and 9,177.84 is: 13,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.65 : 23,628.77 = 9,177.84 : x
  2. Step 2: Convert to fraction form
    15,771.65/23,628.77 = 9,177.84/x
  3. Step 3: Cross multiply
    15,771.65x = 23,628.77 × 9,177.84
  4. Step 4: Simplify right side
    15,771.65x = 216,861,070.46
  5. Step 5: Solve for x
    x = 216,861,070.46/15,771.65
  6. Step 6: Final answer
    x = 13,750.06

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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.