Home / 13,368.01-20,040.74-8,426.76

Finding the Fourth Proportional to 13,368.01, 20,040.74 and 8,426.76

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Solution

The fourth proportional to 13,368.01, 20,040.74 and 8,426.76 is: 12,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.01 : 20,040.74 = 8,426.76 : x
  2. Step 2: Convert to fraction form
    13,368.01/20,040.74 = 8,426.76/x
  3. Step 3: Cross multiply
    13,368.01x = 20,040.74 × 8,426.76
  4. Step 4: Simplify right side
    13,368.01x = 168,878,506.20
  5. Step 5: Solve for x
    x = 168,878,506.20/13,368.01
  6. Step 6: Final answer
    x = 12,633.03

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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.