Home / 13,543.95-20,310.87-4,656.76

Finding the Fourth Proportional to 13,543.95, 20,310.87 and 4,656.76

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Solution

The fourth proportional to 13,543.95, 20,310.87 and 4,656.76 is: 6,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.95 : 20,310.87 = 4,656.76 : x
  2. Step 2: Convert to fraction form
    13,543.95/20,310.87 = 4,656.76/x
  3. Step 3: Cross multiply
    13,543.95x = 20,310.87 × 4,656.76
  4. Step 4: Simplify right side
    13,543.95x = 94,582,785.90
  5. Step 5: Solve for x
    x = 94,582,785.90/13,543.95
  6. Step 6: Final answer
    x = 6,983.40

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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.