Home / 14,988.29-20,682.41-8,274.20

Finding the Fourth Proportional to 14,988.29, 20,682.41 and 8,274.20

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Solution

The fourth proportional to 14,988.29, 20,682.41 and 8,274.20 is: 11,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.29 : 20,682.41 = 8,274.20 : x
  2. Step 2: Convert to fraction form
    14,988.29/20,682.41 = 8,274.20/x
  3. Step 3: Cross multiply
    14,988.29x = 20,682.41 × 8,274.20
  4. Step 4: Simplify right side
    14,988.29x = 171,130,252.04
  5. Step 5: Solve for x
    x = 171,130,252.04/14,988.29
  6. Step 6: Final answer
    x = 11,417.60

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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.