Home / 19,513.11-29,278.56-8,271.53

Finding the Fourth Proportional to 19,513.11, 29,278.56 and 8,271.53

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Solution

The fourth proportional to 19,513.11, 29,278.56 and 8,271.53 is: 12,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.11 : 29,278.56 = 8,271.53 : x
  2. Step 2: Convert to fraction form
    19,513.11/29,278.56 = 8,271.53/x
  3. Step 3: Cross multiply
    19,513.11x = 29,278.56 × 8,271.53
  4. Step 4: Simplify right side
    19,513.11x = 242,178,341.00
  5. Step 5: Solve for x
    x = 242,178,341.00/19,513.11
  6. Step 6: Final answer
    x = 12,411.06

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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.