Home / 13,143.86-19,718.02-5,748.16

Finding the Fourth Proportional to 13,143.86, 19,718.02 and 5,748.16

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Solution

The fourth proportional to 13,143.86, 19,718.02 and 5,748.16 is: 8,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143.86 : 19,718.02 = 5,748.16 : x
  2. Step 2: Convert to fraction form
    13,143.86/19,718.02 = 5,748.16/x
  3. Step 3: Cross multiply
    13,143.86x = 19,718.02 × 5,748.16
  4. Step 4: Simplify right side
    13,143.86x = 113,342,333.84
  5. Step 5: Solve for x
    x = 113,342,333.84/13,143.86
  6. Step 6: Final answer
    x = 8,623.22

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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.