Home / 13,384.65-20,077.95-4,023.90

Finding the Fourth Proportional to 13,384.65, 20,077.95 and 4,023.90

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Solution

The fourth proportional to 13,384.65, 20,077.95 and 4,023.90 is: 6,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.65 : 20,077.95 = 4,023.90 : x
  2. Step 2: Convert to fraction form
    13,384.65/20,077.95 = 4,023.90/x
  3. Step 3: Cross multiply
    13,384.65x = 20,077.95 × 4,023.90
  4. Step 4: Simplify right side
    13,384.65x = 80,791,663.01
  5. Step 5: Solve for x
    x = 80,791,663.01/13,384.65
  6. Step 6: Final answer
    x = 6,036.14

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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.