Home / 15,384.90-23,063.49-5,521.86

Finding the Fourth Proportional to 15,384.90, 23,063.49 and 5,521.86

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Solution

The fourth proportional to 15,384.90, 23,063.49 and 5,521.86 is: 8,277.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384.90 : 23,063.49 = 5,521.86 : x
  2. Step 2: Convert to fraction form
    15,384.90/23,063.49 = 5,521.86/x
  3. Step 3: Cross multiply
    15,384.90x = 23,063.49 × 5,521.86
  4. Step 4: Simplify right side
    15,384.90x = 127,353,362.89
  5. Step 5: Solve for x
    x = 127,353,362.89/15,384.90
  6. Step 6: Final answer
    x = 8,277.82

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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.