Home / 14,988.93-20,684.43-8,274.76

Finding the Fourth Proportional to 14,988.93, 20,684.43 and 8,274.76

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Solution

The fourth proportional to 14,988.93, 20,684.43 and 8,274.76 is: 11,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.93 : 20,684.43 = 8,274.76 : x
  2. Step 2: Convert to fraction form
    14,988.93/20,684.43 = 8,274.76/x
  3. Step 3: Cross multiply
    14,988.93x = 20,684.43 × 8,274.76
  4. Step 4: Simplify right side
    14,988.93x = 171,158,693.99
  5. Step 5: Solve for x
    x = 171,158,693.99/14,988.93
  6. Step 6: Final answer
    x = 11,419.01

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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.