Home / 18,891.02-26,077.29-12,177.02

Finding the Fourth Proportional to 18,891.02, 26,077.29 and 12,177.02

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Solution

The fourth proportional to 18,891.02, 26,077.29 and 12,177.02 is: 16,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.02 : 26,077.29 = 12,177.02 : x
  2. Step 2: Convert to fraction form
    18,891.02/26,077.29 = 12,177.02/x
  3. Step 3: Cross multiply
    18,891.02x = 26,077.29 × 12,177.02
  4. Step 4: Simplify right side
    18,891.02x = 317,543,681.88
  5. Step 5: Solve for x
    x = 317,543,681.88/18,891.02
  6. Step 6: Final answer
    x = 16,809.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.