Home / 13,390.18-20,085.16-4,030.16

Finding the Fourth Proportional to 13,390.18, 20,085.16 and 4,030.16

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Solution

The fourth proportional to 13,390.18, 20,085.16 and 4,030.16 is: 6,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.18 : 20,085.16 = 4,030.16 : x
  2. Step 2: Convert to fraction form
    13,390.18/20,085.16 = 4,030.16/x
  3. Step 3: Cross multiply
    13,390.18x = 20,085.16 × 4,030.16
  4. Step 4: Simplify right side
    13,390.18x = 80,946,308.00
  5. Step 5: Solve for x
    x = 80,946,308.00/13,390.18
  6. Step 6: Final answer
    x = 6,045.20

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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.