Home / 13,987.26-20,983.98-4,630.20

Finding the Fourth Proportional to 13,987.26, 20,983.98 and 4,630.20

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Solution

The fourth proportional to 13,987.26, 20,983.98 and 4,630.20 is: 6,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,987.26 : 20,983.98 = 4,630.20 : x
  2. Step 2: Convert to fraction form
    13,987.26/20,983.98 = 4,630.20/x
  3. Step 3: Cross multiply
    13,987.26x = 20,983.98 × 4,630.20
  4. Step 4: Simplify right side
    13,987.26x = 97,160,024.20
  5. Step 5: Solve for x
    x = 97,160,024.20/13,987.26
  6. Step 6: Final answer
    x = 6,946.32

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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.