Home / 19,923.18-27,490.80-11,423.67

Finding the Fourth Proportional to 19,923.18, 27,490.80 and 11,423.67

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Solution

The fourth proportional to 19,923.18, 27,490.80 and 11,423.67 is: 15,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.18 : 27,490.80 = 11,423.67 : x
  2. Step 2: Convert to fraction form
    19,923.18/27,490.80 = 11,423.67/x
  3. Step 3: Cross multiply
    19,923.18x = 27,490.80 × 11,423.67
  4. Step 4: Simplify right side
    19,923.18x = 314,045,827.24
  5. Step 5: Solve for x
    x = 314,045,827.24/19,923.18
  6. Step 6: Final answer
    x = 15,762.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.