Home / 13,541.76-20,284.16-6,947.84

Finding the Fourth Proportional to 13,541.76, 20,284.16 and 6,947.84

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Solution

The fourth proportional to 13,541.76, 20,284.16 and 6,947.84 is: 10,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.76 : 20,284.16 = 6,947.84 : x
  2. Step 2: Convert to fraction form
    13,541.76/20,284.16 = 6,947.84/x
  3. Step 3: Cross multiply
    13,541.76x = 20,284.16 × 6,947.84
  4. Step 4: Simplify right side
    13,541.76x = 140,931,098.21
  5. Step 5: Solve for x
    x = 140,931,098.21/13,541.76
  6. Step 6: Final answer
    x = 10,407.15

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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.