Home / 15,923.79-23,777.55-12,599.55

Finding the Fourth Proportional to 15,923.79, 23,777.55 and 12,599.55

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Solution

The fourth proportional to 15,923.79, 23,777.55 and 12,599.55 is: 18,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.79 : 23,777.55 = 12,599.55 : x
  2. Step 2: Convert to fraction form
    15,923.79/23,777.55 = 12,599.55/x
  3. Step 3: Cross multiply
    15,923.79x = 23,777.55 × 12,599.55
  4. Step 4: Simplify right side
    15,923.79x = 299,586,430.10
  5. Step 5: Solve for x
    x = 299,586,430.10/15,923.79
  6. Step 6: Final answer
    x = 18,813.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.