Home / 13,746.15-20,630.16-4,983.57

Finding the Fourth Proportional to 13,746.15, 20,630.16 and 4,983.57

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Solution

The fourth proportional to 13,746.15, 20,630.16 and 4,983.57 is: 7,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.15 : 20,630.16 = 4,983.57 : x
  2. Step 2: Convert to fraction form
    13,746.15/20,630.16 = 4,983.57/x
  3. Step 3: Cross multiply
    13,746.15x = 20,630.16 × 4,983.57
  4. Step 4: Simplify right side
    13,746.15x = 102,811,846.47
  5. Step 5: Solve for x
    x = 102,811,846.47/13,746.15
  6. Step 6: Final answer
    x = 7,479.32

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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.