Home / 19,615.17-29,406.18-8,513.49

Finding the Fourth Proportional to 19,615.17, 29,406.18 and 8,513.49

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Solution

The fourth proportional to 19,615.17, 29,406.18 and 8,513.49 is: 12,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.17 : 29,406.18 = 8,513.49 : x
  2. Step 2: Convert to fraction form
    19,615.17/29,406.18 = 8,513.49/x
  3. Step 3: Cross multiply
    19,615.17x = 29,406.18 × 8,513.49
  4. Step 4: Simplify right side
    19,615.17x = 250,349,219.37
  5. Step 5: Solve for x
    x = 250,349,219.37/19,615.17
  6. Step 6: Final answer
    x = 12,763.04

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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.