Home / 13,064.28-18,026.60-8,026.88

Finding the Fourth Proportional to 13,064.28, 18,026.60 and 8,026.88

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Solution

The fourth proportional to 13,064.28, 18,026.60 and 8,026.88 is: 11,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.28 : 18,026.60 = 8,026.88 : x
  2. Step 2: Convert to fraction form
    13,064.28/18,026.60 = 8,026.88/x
  3. Step 3: Cross multiply
    13,064.28x = 18,026.60 × 8,026.88
  4. Step 4: Simplify right side
    13,064.28x = 144,697,355.01
  5. Step 5: Solve for x
    x = 144,697,355.01/13,064.28
  6. Step 6: Final answer
    x = 11,075.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.