Home / 14,193.63-21,268.55-8,988.57

Finding the Fourth Proportional to 14,193.63, 21,268.55 and 8,988.57

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Solution

The fourth proportional to 14,193.63, 21,268.55 and 8,988.57 is: 13,468.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.63 : 21,268.55 = 8,988.57 : x
  2. Step 2: Convert to fraction form
    14,193.63/21,268.55 = 8,988.57/x
  3. Step 3: Cross multiply
    14,193.63x = 21,268.55 × 8,988.57
  4. Step 4: Simplify right side
    14,193.63x = 191,173,805.53
  5. Step 5: Solve for x
    x = 191,173,805.53/14,193.63
  6. Step 6: Final answer
    x = 13,468.99

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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.