Home / 18,697.02-28,070.03-13,152.97

Finding the Fourth Proportional to 18,697.02, 28,070.03 and 13,152.97

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Solution

The fourth proportional to 18,697.02, 28,070.03 and 13,152.97 is: 19,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697.02 : 28,070.03 = 13,152.97 : x
  2. Step 2: Convert to fraction form
    18,697.02/28,070.03 = 13,152.97/x
  3. Step 3: Cross multiply
    18,697.02x = 28,070.03 × 13,152.97
  4. Step 4: Simplify right side
    18,697.02x = 369,204,262.49
  5. Step 5: Solve for x
    x = 369,204,262.49/18,697.02
  6. Step 6: Final answer
    x = 19,746.69

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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.