Home / 13,292.02-19,938.10-3,430.62

Finding the Fourth Proportional to 13,292.02, 19,938.10 and 3,430.62

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Solution

The fourth proportional to 13,292.02, 19,938.10 and 3,430.62 is: 5,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.02 : 19,938.10 = 3,430.62 : x
  2. Step 2: Convert to fraction form
    13,292.02/19,938.10 = 3,430.62/x
  3. Step 3: Cross multiply
    13,292.02x = 19,938.10 × 3,430.62
  4. Step 4: Simplify right side
    13,292.02x = 68,400,042.48
  5. Step 5: Solve for x
    x = 68,400,042.48/13,292.02
  6. Step 6: Final answer
    x = 5,145.95

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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.