Home / 19,070.64-28,546.02-13,209.48

Finding the Fourth Proportional to 19,070.64, 28,546.02 and 13,209.48

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Solution

The fourth proportional to 19,070.64, 28,546.02 and 13,209.48 is: 19,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.64 : 28,546.02 = 13,209.48 : x
  2. Step 2: Convert to fraction form
    19,070.64/28,546.02 = 13,209.48/x
  3. Step 3: Cross multiply
    19,070.64x = 28,546.02 × 13,209.48
  4. Step 4: Simplify right side
    19,070.64x = 377,078,080.27
  5. Step 5: Solve for x
    x = 377,078,080.27/19,070.64
  6. Step 6: Final answer
    x = 19,772.70

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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.